40749490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5231}}^1$

素因数の和:5298

約数の個数: 32

約数和(自身を含む): 79107840

約数和(自身を除く): 38358350

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 5231, 7790, 10462, 26155, 52310, 99389, 198778, 214471, 428942, 496945, 993890, 1072355, 2144710, 4074949, 8149898, 20374745, 40749490]

約数ペア:

[(1, 40749490), (2, 20374745), (5, 8149898), (10, 4074949), (19, 2144710), (38, 1072355), (41, 993890), (82, 496945), (95, 428942), (190, 214471), (205, 198778), (410, 99389), (779, 52310), (1558, 26155), (3895, 10462), (5231, 7790)]