27458750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2030

約数の個数: 40

約数和(自身を含む): 56175768

約数和(自身を除く): 28717018

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 1997, 2750, 3994, 6875, 9985, 13750, 19970, 21967, 43934, 49925, 99850, 109835, 219670, 249625, 499250, 549175, 1098350, 1248125, 2496250, 2745875, 5491750, 13729375, 27458750]

約数ペア:

[(1, 27458750), (2, 13729375), (5, 5491750), (10, 2745875), (11, 2496250), (22, 1248125), (25, 1098350), (50, 549175), (55, 499250), (110, 249625), (125, 219670), (250, 109835), (275, 99850), (550, 49925), (625, 43934), (1250, 21967), (1375, 19970), (1997, 13750), (2750, 9985), (3994, 6875)]