42174260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68023}}^1$

素因数の和:68063

約数の個数: 24

約数和(自身を含む): 91424256

約数和(自身を除く): 49249996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68023, 136046, 272092, 340115, 680230, 1360460, 2108713, 4217426, 8434852, 10543565, 21087130, 42174260]

約数ペア:

[(1, 42174260), (2, 21087130), (4, 10543565), (5, 8434852), (10, 4217426), (20, 2108713), (31, 1360460), (62, 680230), (124, 340115), (155, 272092), (310, 136046), (620, 68023)]