48528980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 104282640

約数和(自身を除く): 55753660

約数列:

[1, 2, 4, 5, 10, 20, 109, 113, 197, 218, 226, 394, 436, 452, 545, 565, 788, 985, 1090, 1130, 1970, 2180, 2260, 3940, 12317, 21473, 22261, 24634, 42946, 44522, 49268, 61585, 85892, 89044, 107365, 111305, 123170, 214730, 222610, 246340, 429460, 445220, 2426449, 4852898, 9705796, 12132245, 24264490, 48528980]

約数ペア:

[(1, 48528980), (2, 24264490), (4, 12132245), (5, 9705796), (10, 4852898), (20, 2426449), (109, 445220), (113, 429460), (197, 246340), (218, 222610), (226, 214730), (394, 123170), (436, 111305), (452, 107365), (545, 89044), (565, 85892), (788, 61585), (985, 49268), (1090, 44522), (1130, 42946), (1970, 24634), (2180, 22261), (2260, 21473), (3940, 12317)]