64233880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 151048800

約数和(自身を除く): 86814920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 739, 820, 1060, 1478, 1640, 2120, 2173, 2956, 3695, 4346, 5912, 7390, 8692, 10865, 14780, 17384, 21730, 29560, 30299, 39167, 43460, 60598, 78334, 86920, 121196, 151495, 156668, 195835, 242392, 302990, 313336, 391670, 605980, 783340, 1211960, 1566680, 1605847, 3211694, 6423388, 8029235, 12846776, 16058470, 32116940, 64233880]

約数ペア:

[(1, 64233880), (2, 32116940), (4, 16058470), (5, 12846776), (8, 8029235), (10, 6423388), (20, 3211694), (40, 1605847), (41, 1566680), (53, 1211960), (82, 783340), (106, 605980), (164, 391670), (205, 313336), (212, 302990), (265, 242392), (328, 195835), (410, 156668), (424, 151495), (530, 121196), (739, 86920), (820, 78334), (1060, 60598), (1478, 43460), (1640, 39167), (2120, 30299), (2173, 29560), (2956, 21730), (3695, 17384), (4346, 14780), (5912, 10865), (7390, 8692)]