87499100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67307}}^1$

素因数の和:67334

約数の個数: 36

約数和(自身を含む): 204481704

約数和(自身を除く): 116982604

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 67307, 134614, 269228, 336535, 673070, 874991, 1346140, 1682675, 1749982, 3365350, 3499964, 4374955, 6730700, 8749910, 17499820, 21874775, 43749550, 87499100]

約数ペア:

[(1, 87499100), (2, 43749550), (4, 21874775), (5, 17499820), (10, 8749910), (13, 6730700), (20, 4374955), (25, 3499964), (26, 3365350), (50, 1749982), (52, 1682675), (65, 1346140), (100, 874991), (130, 673070), (260, 336535), (325, 269228), (650, 134614), (1300, 67307)]