87878440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9982

約数の個数: 64

約数和(自身を含む): 225484560

約数和(自身を除く): 137606120

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, 1105, 1768, 2210, 4420, 8840, 9941, 19882, 39764, 49705, 79528, 99410, 129233, 168997, 198820, 258466, 337994, 397640, 516932, 646165, 675988, 844985, 1033864, 1292330, 1351976, 1689970, 2196961, 2584660, 3379940, 4393922, 5169320, 6759880, 8787844, 10984805, 17575688, 21969610, 43939220, 87878440]

約数ペア:

[(1, 87878440), (2, 43939220), (4, 21969610), (5, 17575688), (8, 10984805), (10, 8787844), (13, 6759880), (17, 5169320), (20, 4393922), (26, 3379940), (34, 2584660), (40, 2196961), (52, 1689970), (65, 1351976), (68, 1292330), (85, 1033864), (104, 844985), (130, 675988), (136, 646165), (170, 516932), (221, 397640), (260, 337994), (340, 258466), (442, 198820), (520, 168997), (680, 129233), (884, 99410), (1105, 79528), (1768, 49705), (2210, 39764), (4420, 19882), (8840, 9941)]