64875980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5309}}^1$

素因数の和:5378

約数の個数: 48

約数和(自身を含む): 149869440

約数和(自身を除く): 84993460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 5309, 6110, 10618, 12220, 21236, 26545, 53090, 69017, 106180, 138034, 249523, 276068, 345085, 499046, 690170, 998092, 1247615, 1380340, 2495230, 3243799, 4990460, 6487598, 12975196, 16218995, 32437990, 64875980]

約数ペア:

[(1, 64875980), (2, 32437990), (4, 16218995), (5, 12975196), (10, 6487598), (13, 4990460), (20, 3243799), (26, 2495230), (47, 1380340), (52, 1247615), (65, 998092), (94, 690170), (130, 499046), (188, 345085), (235, 276068), (260, 249523), (470, 138034), (611, 106180), (940, 69017), (1222, 53090), (2444, 26545), (3055, 21236), (5309, 12220), (6110, 10618)]