25390460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 56733600

約数和(自身を除く): 31343140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 613, 1090, 1226, 2071, 2180, 2452, 3065, 4142, 6130, 8284, 10355, 11647, 12260, 20710, 23294, 41420, 46588, 58235, 66817, 116470, 133634, 232940, 267268, 334085, 668170, 1269523, 1336340, 2539046, 5078092, 6347615, 12695230, 25390460]

約数ペア:

[(1, 25390460), (2, 12695230), (4, 6347615), (5, 5078092), (10, 2539046), (19, 1336340), (20, 1269523), (38, 668170), (76, 334085), (95, 267268), (109, 232940), (190, 133634), (218, 116470), (380, 66817), (436, 58235), (545, 46588), (613, 41420), (1090, 23294), (1226, 20710), (2071, 12260), (2180, 11647), (2452, 10355), (3065, 8284), (4142, 6130)]