42220450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{27239}}^1$

素因数の和:27282

約数の個数: 24

約数和(自身を含む): 81066240

約数和(自身を除く): 38845790

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 27239, 54478, 136195, 272390, 680975, 844409, 1361950, 1688818, 4222045, 8444090, 21110225, 42220450]

約数ペア:

[(1, 42220450), (2, 21110225), (5, 8444090), (10, 4222045), (25, 1688818), (31, 1361950), (50, 844409), (62, 680975), (155, 272390), (310, 136195), (775, 54478), (1550, 27239)]