42581260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 97478640

約数和(自身を除く): 54897380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 139, 170, 212, 265, 278, 289, 340, 530, 556, 578, 695, 901, 1060, 1156, 1390, 1445, 1802, 2363, 2780, 2890, 3604, 4505, 4726, 5780, 7367, 9010, 9452, 11815, 14734, 15317, 18020, 23630, 29468, 30634, 36835, 40171, 47260, 61268, 73670, 76585, 80342, 125239, 147340, 153170, 160684, 200855, 250478, 306340, 401710, 500956, 626195, 803420, 1252390, 2129063, 2504780, 4258126, 8516252, 10645315, 21290630, 42581260]

約数ペア:

[(1, 42581260), (2, 21290630), (4, 10645315), (5, 8516252), (10, 4258126), (17, 2504780), (20, 2129063), (34, 1252390), (53, 803420), (68, 626195), (85, 500956), (106, 401710), (139, 306340), (170, 250478), (212, 200855), (265, 160684), (278, 153170), (289, 147340), (340, 125239), (530, 80342), (556, 76585), (578, 73670), (695, 61268), (901, 47260), (1060, 40171), (1156, 36835), (1390, 30634), (1445, 29468), (1802, 23630), (2363, 18020), (2780, 15317), (2890, 14734), (3604, 11815), (4505, 9452), (4726, 9010), (5780, 7367)]