8045697320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 19090874880

約数和(自身を除く): 11045177560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 271, 328, 344, 410, 421, 430, 542, 820, 842, 860, 1084, 1355, 1640, 1684, 1720, 1763, 2105, 2168, 2710, 3368, 3526, 4210, 5420, 7052, 8420, 8815, 10840, 11111, 11653, 14104, 16840, 17261, 17630, 18103, 22222, 23306, 34522, 35260, 36206, 44444, 46612, 55555, 58265, 69044, 70520, 72412, 86305, 88888, 90515, 93224, 111110, 114091, 116530, 138088, 144824, 172610, 181030, 222220, 228182, 233060, 345220, 362060, 444440, 456364, 466120, 477773, 570455, 690440, 724120, 742223, 912728, 955546, 1140910, 1484446, 1911092, 2281820, 2388865, 2968892, 3711115, 3822184, 4563640, 4677731, 4777730, 4905913, 5937784, 7422230, 9355462, 9555460, 9811826, 14844460, 18710924, 19110920, 19623652, 23388655, 24529565, 29688920, 37421848, 39247304, 46777310, 49059130, 93554620, 98118260, 187109240, 196236520, 201142433, 402284866, 804569732, 1005712165, 1609139464, 2011424330, 4022848660, 8045697320]

約数ペア:

[(1, 8045697320), (2, 4022848660), (4, 2011424330), (5, 1609139464), (8, 1005712165), (10, 804569732), (20, 402284866), (40, 201142433), (41, 196236520), (43, 187109240), (82, 98118260), (86, 93554620), (164, 49059130), (172, 46777310), (205, 39247304), (215, 37421848), (271, 29688920), (328, 24529565), (344, 23388655), (410, 19623652), (421, 19110920), (430, 18710924), (542, 14844460), (820, 9811826), (842, 9555460), (860, 9355462), (1084, 7422230), (1355, 5937784), (1640, 4905913), (1684, 4777730), (1720, 4677731), (1763, 4563640), (2105, 3822184), (2168, 3711115), (2710, 2968892), (3368, 2388865), (3526, 2281820), (4210, 1911092), (5420, 1484446), (7052, 1140910), (8420, 955546), (8815, 912728), (10840, 742223), (11111, 724120), (11653, 690440), (14104, 570455), (16840, 477773), (17261, 466120), (17630, 456364), (18103, 444440), (22222, 362060), (23306, 345220), (34522, 233060), (35260, 228182), (36206, 222220), (44444, 181030), (46612, 172610), (55555, 144824), (58265, 138088), (69044, 116530), (70520, 114091), (72412, 111110), (86305, 93224), (88888, 90515)]