89968360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 208396800

約数和(自身を除く): 118428440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 316, 355, 395, 401, 568, 632, 710, 790, 802, 1420, 1580, 1604, 2005, 2840, 3160, 3208, 4010, 5609, 8020, 11218, 16040, 22436, 28045, 28471, 31679, 44872, 56090, 56942, 63358, 112180, 113884, 126716, 142355, 158395, 224360, 227768, 253432, 284710, 316790, 569420, 633580, 1138840, 1267160, 2249209, 4498418, 8996836, 11246045, 17993672, 22492090, 44984180, 89968360]

約数ペア:

[(1, 89968360), (2, 44984180), (4, 22492090), (5, 17993672), (8, 11246045), (10, 8996836), (20, 4498418), (40, 2249209), (71, 1267160), (79, 1138840), (142, 633580), (158, 569420), (284, 316790), (316, 284710), (355, 253432), (395, 227768), (401, 224360), (568, 158395), (632, 142355), (710, 126716), (790, 113884), (802, 112180), (1420, 63358), (1580, 56942), (1604, 56090), (2005, 44872), (2840, 31679), (3160, 28471), (3208, 28045), (4010, 22436), (5609, 16040), (8020, 11218)]