89775920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86323}}^1$

素因数の和:86349

約数の個数: 40

約数和(自身を含む): 224787696

約数和(自身を除く): 135011776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86323, 172646, 345292, 431615, 690584, 863230, 1122199, 1381168, 1726460, 2244398, 3452920, 4488796, 5610995, 6905840, 8977592, 11221990, 17955184, 22443980, 44887960, 89775920]

約数ペア:

[(1, 89775920), (2, 44887960), (4, 22443980), (5, 17955184), (8, 11221990), (10, 8977592), (13, 6905840), (16, 5610995), (20, 4488796), (26, 3452920), (40, 2244398), (52, 1726460), (65, 1381168), (80, 1122199), (104, 863230), (130, 690584), (208, 431615), (260, 345292), (520, 172646), (1040, 86323)]