8978666320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{67979}}^1$

素因数の和:68132

約数の個数: 80

約数和(自身を含む): 22658549760

約数和(自身を除く): 13679883440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6604, 8255, 10160, 13208, 16510, 26416, 33020, 66040, 67979, 132080, 135958, 271916, 339895, 543832, 679790, 883727, 1087664, 1359580, 1767454, 2719160, 3534908, 4418635, 5438320, 7069816, 8633333, 8837270, 14139632, 17266666, 17674540, 34533332, 35349080, 43166665, 69066664, 70698160, 86333330, 112233329, 138133328, 172666660, 224466658, 345333320, 448933316, 561166645, 690666640, 897866632, 1122333290, 1795733264, 2244666580, 4489333160, 8978666320]

約数ペア:

[(1, 8978666320), (2, 4489333160), (4, 2244666580), (5, 1795733264), (8, 1122333290), (10, 897866632), (13, 690666640), (16, 561166645), (20, 448933316), (26, 345333320), (40, 224466658), (52, 172666660), (65, 138133328), (80, 112233329), (104, 86333330), (127, 70698160), (130, 69066664), (208, 43166665), (254, 35349080), (260, 34533332), (508, 17674540), (520, 17266666), (635, 14139632), (1016, 8837270), (1040, 8633333), (1270, 7069816), (1651, 5438320), (2032, 4418635), (2540, 3534908), (3302, 2719160), (5080, 1767454), (6604, 1359580), (8255, 1087664), (10160, 883727), (13208, 679790), (16510, 543832), (26416, 339895), (33020, 271916), (66040, 135958), (67979, 132080)]