12971295940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{33739}}^1$

素因数の和:34204

約数の個数: 48

約数和(自身を含む): 27888134400

約数和(自身を除く): 14916838460

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 409, 470, 818, 940, 1636, 2045, 4090, 8180, 19223, 33739, 38446, 67478, 76892, 96115, 134956, 168695, 192230, 337390, 384460, 674780, 1585733, 3171466, 6342932, 7928665, 13799251, 15857330, 27598502, 31714660, 55197004, 68996255, 137992510, 275985020, 648564797, 1297129594, 2594259188, 3242823985, 6485647970, 12971295940]

約数ペア:

[(1, 12971295940), (2, 6485647970), (4, 3242823985), (5, 2594259188), (10, 1297129594), (20, 648564797), (47, 275985020), (94, 137992510), (188, 68996255), (235, 55197004), (409, 31714660), (470, 27598502), (818, 15857330), (940, 13799251), (1636, 7928665), (2045, 6342932), (4090, 3171466), (8180, 1585733), (19223, 674780), (33739, 384460), (38446, 337390), (67478, 192230), (76892, 168695), (96115, 134956)]