66864100

素因数分解:

$2^2\times 5^2\times {\mathrm{571}}^1\times {\mathrm{1171}}^1$

素因数の和:1756

約数の個数: 36

約数和(自身を含む): 145473328

約数和(自身を除く): 78609228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 571, 1142, 1171, 2284, 2342, 2855, 4684, 5710, 5855, 11420, 11710, 14275, 23420, 28550, 29275, 57100, 58550, 117100, 668641, 1337282, 2674564, 3343205, 6686410, 13372820, 16716025, 33432050, 66864100]

約数ペア:

[(1, 66864100), (2, 33432050), (4, 16716025), (5, 13372820), (10, 6686410), (20, 3343205), (25, 2674564), (50, 1337282), (100, 668641), (571, 117100), (1142, 58550), (1171, 57100), (2284, 29275), (2342, 28550), (2855, 23420), (4684, 14275), (5710, 11710), (5855, 11420)]