51579320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99191}}^1$

素因数の和:99215

約数の個数: 32

約数和(自身を含む): 124981920

約数和(自身を除く): 73402600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99191, 198382, 396764, 495955, 793528, 991910, 1289483, 1983820, 2578966, 3967640, 5157932, 6447415, 10315864, 12894830, 25789660, 51579320]

約数ペア:

[(1, 51579320), (2, 25789660), (4, 12894830), (5, 10315864), (8, 6447415), (10, 5157932), (13, 3967640), (20, 2578966), (26, 1983820), (40, 1289483), (52, 991910), (65, 793528), (104, 495955), (130, 396764), (260, 198382), (520, 99191)]