88481840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 211965600

約数和(自身を除く): 123483760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 109, 139, 146, 218, 278, 292, 365, 436, 545, 556, 584, 695, 730, 872, 1090, 1112, 1168, 1390, 1460, 1744, 2180, 2224, 2780, 2920, 4360, 5560, 5840, 7957, 8720, 10147, 11120, 15151, 15914, 20294, 30302, 31828, 39785, 40588, 50735, 60604, 63656, 75755, 79570, 81176, 101470, 121208, 127312, 151510, 159140, 162352, 202940, 242416, 303020, 318280, 405880, 606040, 636560, 811760, 1106023, 1212080, 2212046, 4424092, 5530115, 8848184, 11060230, 17696368, 22120460, 44240920, 88481840]

約数ペア:

[(1, 88481840), (2, 44240920), (4, 22120460), (5, 17696368), (8, 11060230), (10, 8848184), (16, 5530115), (20, 4424092), (40, 2212046), (73, 1212080), (80, 1106023), (109, 811760), (139, 636560), (146, 606040), (218, 405880), (278, 318280), (292, 303020), (365, 242416), (436, 202940), (545, 162352), (556, 159140), (584, 151510), (695, 127312), (730, 121208), (872, 101470), (1090, 81176), (1112, 79570), (1168, 75755), (1390, 63656), (1460, 60604), (1744, 50735), (2180, 40588), (2224, 39785), (2780, 31828), (2920, 30302), (4360, 20294), (5560, 15914), (5840, 15151), (7957, 11120), (8720, 10147)]