511142320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491483}}^1$

素因数の和:491509

約数の個数: 40

約数和(自身を含む): 1279824336

約数和(自身を除く): 768682016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 491483, 982966, 1965932, 2457415, 3931864, 4914830, 6389279, 7863728, 9829660, 12778558, 19659320, 25557116, 31946395, 39318640, 51114232, 63892790, 102228464, 127785580, 255571160, 511142320]

約数ペア:

[(1, 511142320), (2, 255571160), (4, 127785580), (5, 102228464), (8, 63892790), (10, 51114232), (13, 39318640), (16, 31946395), (20, 25557116), (26, 19659320), (40, 12778558), (52, 9829660), (65, 7863728), (80, 6389279), (104, 4914830), (130, 3931864), (208, 2457415), (260, 1965932), (520, 982966), (1040, 491483)]