42321820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68261}}^1$

素因数の和:68301

約数の個数: 24

約数和(自身を含む): 91744128

約数和(自身を除く): 49422308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68261, 136522, 273044, 341305, 682610, 1365220, 2116091, 4232182, 8464364, 10580455, 21160910, 42321820]

約数ペア:

[(1, 42321820), (2, 21160910), (4, 10580455), (5, 8464364), (10, 4232182), (20, 2116091), (31, 1365220), (62, 682610), (124, 341305), (155, 273044), (310, 136522), (620, 68261)]