16514920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 40176000

約数和(自身を除く): 23661080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 619, 667, 920, 1160, 1238, 1334, 2476, 2668, 3095, 3335, 4952, 5336, 6190, 6670, 12380, 13340, 14237, 17951, 24760, 26680, 28474, 35902, 56948, 71185, 71804, 89755, 113896, 142370, 143608, 179510, 284740, 359020, 412873, 569480, 718040, 825746, 1651492, 2064365, 3302984, 4128730, 8257460, 16514920]

約数ペア:

[(1, 16514920), (2, 8257460), (4, 4128730), (5, 3302984), (8, 2064365), (10, 1651492), (20, 825746), (23, 718040), (29, 569480), (40, 412873), (46, 359020), (58, 284740), (92, 179510), (115, 143608), (116, 142370), (145, 113896), (184, 89755), (230, 71804), (232, 71185), (290, 56948), (460, 35902), (580, 28474), (619, 26680), (667, 24760), (920, 17951), (1160, 14237), (1238, 13340), (1334, 12380), (2476, 6670), (2668, 6190), (3095, 5336), (3335, 4952)]