66271840

素因数分解:

$2^5\times 5^1\times {\mathrm{414199}}^1$

素因数の和:414214

約数の個数: 24

約数和(自身を含む): 156567600

約数和(自身を除く): 90295760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 414199, 828398, 1656796, 2070995, 3313592, 4141990, 6627184, 8283980, 13254368, 16567960, 33135920, 66271840]

約数ペア:

[(1, 66271840), (2, 33135920), (4, 16567960), (5, 13254368), (8, 8283980), (10, 6627184), (16, 4141990), (20, 3313592), (32, 2070995), (40, 1656796), (80, 828398), (160, 414199)]