31559380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 71124480

約数和(自身を除く): 39565100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 1567, 2014, 3134, 4028, 5035, 6268, 7835, 10070, 15670, 20140, 29773, 31340, 59546, 83051, 119092, 148865, 166102, 297730, 332204, 415255, 595460, 830510, 1577969, 1661020, 3155938, 6311876, 7889845, 15779690, 31559380]

約数ペア:

[(1, 31559380), (2, 15779690), (4, 7889845), (5, 6311876), (10, 3155938), (19, 1661020), (20, 1577969), (38, 830510), (53, 595460), (76, 415255), (95, 332204), (106, 297730), (190, 166102), (212, 148865), (265, 119092), (380, 83051), (530, 59546), (1007, 31340), (1060, 29773), (1567, 20140), (2014, 15670), (3134, 10070), (4028, 7835), (5035, 6268)]