8318440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 21364560

約数和(自身を除く): 13046120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 941, 1105, 1768, 1882, 2210, 3764, 4420, 4705, 7528, 8840, 9410, 12233, 15997, 18820, 24466, 31994, 37640, 48932, 61165, 63988, 79985, 97864, 122330, 127976, 159970, 207961, 244660, 319940, 415922, 489320, 639880, 831844, 1039805, 1663688, 2079610, 4159220, 8318440]

約数ペア:

[(1, 8318440), (2, 4159220), (4, 2079610), (5, 1663688), (8, 1039805), (10, 831844), (13, 639880), (17, 489320), (20, 415922), (26, 319940), (34, 244660), (40, 207961), (52, 159970), (65, 127976), (68, 122330), (85, 97864), (104, 79985), (130, 63988), (136, 61165), (170, 48932), (221, 37640), (260, 31994), (340, 24466), (442, 18820), (520, 15997), (680, 12233), (884, 9410), (941, 8840), (1105, 7528), (1768, 4705), (1882, 4420), (2210, 3764)]