64189540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 139487040

約数和(自身を除く): 75297500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 739, 860, 1010, 1478, 2020, 2956, 3695, 4343, 7390, 8686, 14780, 17372, 21715, 31777, 43430, 63554, 74639, 86860, 127108, 149278, 158885, 298556, 317770, 373195, 635540, 746390, 1492780, 3209477, 6418954, 12837908, 16047385, 32094770, 64189540]

約数ペア:

[(1, 64189540), (2, 32094770), (4, 16047385), (5, 12837908), (10, 6418954), (20, 3209477), (43, 1492780), (86, 746390), (101, 635540), (172, 373195), (202, 317770), (215, 298556), (404, 158885), (430, 149278), (505, 127108), (739, 86860), (860, 74639), (1010, 63554), (1478, 43430), (2020, 31777), (2956, 21715), (3695, 17372), (4343, 14780), (7390, 8686)]