42179420

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1801}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 88701648

約数和(自身を除く): 46522228

約数列:

[1, 2, 4, 5, 10, 20, 1171, 1801, 2342, 3602, 4684, 5855, 7204, 9005, 11710, 18010, 23420, 36020, 2108971, 4217942, 8435884, 10544855, 21089710, 42179420]

約数ペア:

[(1, 42179420), (2, 21089710), (4, 10544855), (5, 8435884), (10, 4217942), (20, 2108971), (1171, 36020), (1801, 23420), (2342, 18010), (3602, 11710), (4684, 9005), (5855, 7204)]