89492840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 209952000

約数和(自身を除く): 120459160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 179, 232, 290, 358, 431, 580, 716, 862, 895, 1160, 1432, 1724, 1790, 2155, 3448, 3580, 4310, 5191, 7160, 8620, 10382, 12499, 17240, 20764, 24998, 25955, 41528, 49996, 51910, 62495, 77149, 99992, 103820, 124990, 154298, 207640, 249980, 308596, 385745, 499960, 617192, 771490, 1542980, 2237321, 3085960, 4474642, 8949284, 11186605, 17898568, 22373210, 44746420, 89492840]

約数ペア:

[(1, 89492840), (2, 44746420), (4, 22373210), (5, 17898568), (8, 11186605), (10, 8949284), (20, 4474642), (29, 3085960), (40, 2237321), (58, 1542980), (116, 771490), (145, 617192), (179, 499960), (232, 385745), (290, 308596), (358, 249980), (431, 207640), (580, 154298), (716, 124990), (862, 103820), (895, 99992), (1160, 77149), (1432, 62495), (1724, 51910), (1790, 49996), (2155, 41528), (3448, 25955), (3580, 24998), (4310, 20764), (5191, 17240), (7160, 12499), (8620, 10382)]