31569880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 74118240

約数和(自身を除く): 42548360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 257, 296, 332, 370, 415, 514, 664, 740, 830, 1028, 1285, 1480, 1660, 2056, 2570, 3071, 3320, 5140, 6142, 9509, 10280, 12284, 15355, 19018, 21331, 24568, 30710, 38036, 42662, 47545, 61420, 76072, 85324, 95090, 106655, 122840, 170648, 190180, 213310, 380360, 426620, 789247, 853240, 1578494, 3156988, 3946235, 6313976, 7892470, 15784940, 31569880]

約数ペア:

[(1, 31569880), (2, 15784940), (4, 7892470), (5, 6313976), (8, 3946235), (10, 3156988), (20, 1578494), (37, 853240), (40, 789247), (74, 426620), (83, 380360), (148, 213310), (166, 190180), (185, 170648), (257, 122840), (296, 106655), (332, 95090), (370, 85324), (415, 76072), (514, 61420), (664, 47545), (740, 42662), (830, 38036), (1028, 30710), (1285, 24568), (1480, 21331), (1660, 19018), (2056, 15355), (2570, 12284), (3071, 10280), (3320, 9509), (5140, 6142)]