78895640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 189410400

約数和(自身を除く): 110514760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 314, 340, 628, 680, 739, 785, 1256, 1478, 1570, 2669, 2956, 3140, 3695, 5338, 5912, 6280, 7390, 10676, 12563, 13345, 14780, 21352, 25126, 26690, 29560, 50252, 53380, 62815, 100504, 106760, 116023, 125630, 232046, 251260, 464092, 502520, 580115, 928184, 1160230, 1972391, 2320460, 3944782, 4640920, 7889564, 9861955, 15779128, 19723910, 39447820, 78895640]

約数ペア:

[(1, 78895640), (2, 39447820), (4, 19723910), (5, 15779128), (8, 9861955), (10, 7889564), (17, 4640920), (20, 3944782), (34, 2320460), (40, 1972391), (68, 1160230), (85, 928184), (136, 580115), (157, 502520), (170, 464092), (314, 251260), (340, 232046), (628, 125630), (680, 116023), (739, 106760), (785, 100504), (1256, 62815), (1478, 53380), (1570, 50252), (2669, 29560), (2956, 26690), (3140, 25126), (3695, 21352), (5338, 14780), (5912, 13345), (6280, 12563), (7390, 10676)]