13143880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 31026240

約数和(自身を除く): 17882360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 107, 148, 166, 185, 214, 296, 332, 370, 415, 428, 535, 664, 740, 830, 856, 1070, 1480, 1660, 2140, 3071, 3320, 3959, 4280, 6142, 7918, 8881, 12284, 15355, 15836, 17762, 19795, 24568, 30710, 31672, 35524, 39590, 44405, 61420, 71048, 79180, 88810, 122840, 158360, 177620, 328597, 355240, 657194, 1314388, 1642985, 2628776, 3285970, 6571940, 13143880]

約数ペア:

[(1, 13143880), (2, 6571940), (4, 3285970), (5, 2628776), (8, 1642985), (10, 1314388), (20, 657194), (37, 355240), (40, 328597), (74, 177620), (83, 158360), (107, 122840), (148, 88810), (166, 79180), (185, 71048), (214, 61420), (296, 44405), (332, 39590), (370, 35524), (415, 31672), (428, 30710), (535, 24568), (664, 19795), (740, 17762), (830, 15836), (856, 15355), (1070, 12284), (1480, 8881), (1660, 7918), (2140, 6142), (3071, 4280), (3320, 3959)]