65650040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 152215200

約数和(自身を除く): 86565160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 173, 179, 212, 265, 346, 358, 424, 530, 692, 716, 865, 895, 1060, 1384, 1432, 1730, 1790, 2120, 3460, 3580, 6920, 7160, 9169, 9487, 18338, 18974, 30967, 36676, 37948, 45845, 47435, 61934, 73352, 75896, 91690, 94870, 123868, 154835, 183380, 189740, 247736, 309670, 366760, 379480, 619340, 1238680, 1641251, 3282502, 6565004, 8206255, 13130008, 16412510, 32825020, 65650040]

約数ペア:

[(1, 65650040), (2, 32825020), (4, 16412510), (5, 13130008), (8, 8206255), (10, 6565004), (20, 3282502), (40, 1641251), (53, 1238680), (106, 619340), (173, 379480), (179, 366760), (212, 309670), (265, 247736), (346, 189740), (358, 183380), (424, 154835), (530, 123868), (692, 94870), (716, 91690), (865, 75896), (895, 73352), (1060, 61934), (1384, 47435), (1432, 45845), (1730, 37948), (1790, 36676), (2120, 30967), (3460, 18974), (3580, 18338), (6920, 9487), (7160, 9169)]