39447820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 88391520

約数和(自身を除く): 48943700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 739, 785, 1478, 1570, 2669, 2956, 3140, 3695, 5338, 7390, 10676, 12563, 13345, 14780, 25126, 26690, 50252, 53380, 62815, 116023, 125630, 232046, 251260, 464092, 580115, 1160230, 1972391, 2320460, 3944782, 7889564, 9861955, 19723910, 39447820]

約数ペア:

[(1, 39447820), (2, 19723910), (4, 9861955), (5, 7889564), (10, 3944782), (17, 2320460), (20, 1972391), (34, 1160230), (68, 580115), (85, 464092), (157, 251260), (170, 232046), (314, 125630), (340, 116023), (628, 62815), (739, 53380), (785, 50252), (1478, 26690), (1570, 25126), (2669, 14780), (2956, 13345), (3140, 12563), (3695, 10676), (5338, 7390)]