72185560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4999}}^1$

素因数の和:5048

約数の個数: 48

約数和(自身を含む): 171450000

約数和(自身を除く): 99264440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 4999, 7220, 9998, 14440, 19996, 24995, 39992, 49990, 94981, 99980, 189962, 199960, 379924, 474905, 759848, 949810, 1804639, 1899620, 3609278, 3799240, 7218556, 9023195, 14437112, 18046390, 36092780, 72185560]

約数ペア:

[(1, 72185560), (2, 36092780), (4, 18046390), (5, 14437112), (8, 9023195), (10, 7218556), (19, 3799240), (20, 3609278), (38, 1899620), (40, 1804639), (76, 949810), (95, 759848), (152, 474905), (190, 379924), (361, 199960), (380, 189962), (722, 99980), (760, 94981), (1444, 49990), (1805, 39992), (2888, 24995), (3610, 19996), (4999, 14440), (7220, 9998)]