20151663950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{161407}}^1$

素因数の和:161657

約数の個数: 48

約数和(自身を含む): 41069942784

約数和(自身を除く): 20918278834

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 227, 275, 454, 550, 1135, 2270, 2497, 4994, 5675, 11350, 12485, 24970, 62425, 124850, 161407, 322814, 807035, 1614070, 1775477, 3550954, 4035175, 8070350, 8877385, 17754770, 36639389, 44386925, 73278778, 88773850, 183196945, 366393890, 403033279, 806066558, 915984725, 1831969450, 2015166395, 4030332790, 10075831975, 20151663950]

約数ペア:

[(1, 20151663950), (2, 10075831975), (5, 4030332790), (10, 2015166395), (11, 1831969450), (22, 915984725), (25, 806066558), (50, 403033279), (55, 366393890), (110, 183196945), (227, 88773850), (275, 73278778), (454, 44386925), (550, 36639389), (1135, 17754770), (2270, 8877385), (2497, 8070350), (4994, 4035175), (5675, 3550954), (11350, 1775477), (12485, 1614070), (24970, 807035), (62425, 322814), (124850, 161407)]