40468640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 61137760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 199, 205, 248, 310, 328, 398, 410, 496, 620, 656, 796, 820, 992, 995, 1240, 1271, 1312, 1592, 1640, 1990, 2480, 2542, 3184, 3280, 3980, 4960, 5084, 6169, 6355, 6368, 6560, 7960, 8159, 10168, 12338, 12710, 15920, 16318, 20336, 24676, 25420, 30845, 31840, 32636, 40672, 40795, 49352, 50840, 61690, 65272, 81590, 98704, 101680, 123380, 130544, 163180, 197408, 203360, 246760, 252929, 261088, 326360, 493520, 505858, 652720, 987040, 1011716, 1264645, 1305440, 2023432, 2529290, 4046864, 5058580, 8093728, 10117160, 20234320, 40468640]

約数ペア:

[(1, 40468640), (2, 20234320), (4, 10117160), (5, 8093728), (8, 5058580), (10, 4046864), (16, 2529290), (20, 2023432), (31, 1305440), (32, 1264645), (40, 1011716), (41, 987040), (62, 652720), (80, 505858), (82, 493520), (124, 326360), (155, 261088), (160, 252929), (164, 246760), (199, 203360), (205, 197408), (248, 163180), (310, 130544), (328, 123380), (398, 101680), (410, 98704), (496, 81590), (620, 65272), (656, 61690), (796, 50840), (820, 49352), (992, 40795), (995, 40672), (1240, 32636), (1271, 31840), (1312, 30845), (1592, 25420), (1640, 24676), (1990, 20336), (2480, 16318), (2542, 15920), (3184, 12710), (3280, 12338), (3980, 10168), (4960, 8159), (5084, 7960), (6169, 6560), (6355, 6368)]