40130480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 102743424

約数和(自身を除く): 62612944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 821, 940, 1040, 1222, 1642, 1880, 2444, 3055, 3284, 3760, 4105, 4888, 6110, 6568, 8210, 9776, 10673, 12220, 13136, 16420, 21346, 24440, 32840, 38587, 42692, 48880, 53365, 65680, 77174, 85384, 106730, 154348, 170768, 192935, 213460, 308696, 385870, 426920, 501631, 617392, 771740, 853840, 1003262, 1543480, 2006524, 2508155, 3086960, 4013048, 5016310, 8026096, 10032620, 20065240, 40130480]

約数ペア:

[(1, 40130480), (2, 20065240), (4, 10032620), (5, 8026096), (8, 5016310), (10, 4013048), (13, 3086960), (16, 2508155), (20, 2006524), (26, 1543480), (40, 1003262), (47, 853840), (52, 771740), (65, 617392), (80, 501631), (94, 426920), (104, 385870), (130, 308696), (188, 213460), (208, 192935), (235, 170768), (260, 154348), (376, 106730), (470, 85384), (520, 77174), (611, 65680), (752, 53365), (821, 48880), (940, 42692), (1040, 38587), (1222, 32840), (1642, 24440), (1880, 21346), (2444, 16420), (3055, 13136), (3284, 12220), (3760, 10673), (4105, 9776), (4888, 8210), (6110, 6568)]