26450440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 62415360

約数和(自身を除く): 35964920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 257, 310, 332, 415, 514, 620, 664, 830, 1028, 1240, 1285, 1660, 2056, 2570, 2573, 3320, 5140, 5146, 7967, 10280, 10292, 12865, 15934, 20584, 21331, 25730, 31868, 39835, 42662, 51460, 63736, 79670, 85324, 102920, 106655, 159340, 170648, 213310, 318680, 426620, 661261, 853240, 1322522, 2645044, 3306305, 5290088, 6612610, 13225220, 26450440]

約数ペア:

[(1, 26450440), (2, 13225220), (4, 6612610), (5, 5290088), (8, 3306305), (10, 2645044), (20, 1322522), (31, 853240), (40, 661261), (62, 426620), (83, 318680), (124, 213310), (155, 170648), (166, 159340), (248, 106655), (257, 102920), (310, 85324), (332, 79670), (415, 63736), (514, 51460), (620, 42662), (664, 39835), (830, 31868), (1028, 25730), (1240, 21331), (1285, 20584), (1660, 15934), (2056, 12865), (2570, 10292), (2573, 10280), (3320, 7967), (5140, 5146)]