901485080

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{55103}}^1$

素因数の和:55523

約数の個数: 32

約数和(自身を含む): 2033337600

約数和(自身を除く): 1131852520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 55103, 110206, 220412, 275515, 440824, 551030, 1102060, 2204120, 22537127, 45074254, 90148508, 112685635, 180297016, 225371270, 450742540, 901485080]

約数ペア:

[(1, 901485080), (2, 450742540), (4, 225371270), (5, 180297016), (8, 112685635), (10, 90148508), (20, 45074254), (40, 22537127), (409, 2204120), (818, 1102060), (1636, 551030), (2045, 440824), (3272, 275515), (4090, 220412), (8180, 110206), (16360, 55103)]