25981780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6947}}^1$

素因数の和:6984

約数の個数: 48

約数和(自身を含む): 63032256

約数和(自身を除く): 37050476

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 6947, 13894, 27788, 34735, 69470, 76417, 118099, 138940, 152834, 236198, 305668, 382085, 472396, 590495, 764170, 1180990, 1299089, 1528340, 2361980, 2598178, 5196356, 6495445, 12990890, 25981780]

約数ペア:

[(1, 25981780), (2, 12990890), (4, 6495445), (5, 5196356), (10, 2598178), (11, 2361980), (17, 1528340), (20, 1299089), (22, 1180990), (34, 764170), (44, 590495), (55, 472396), (68, 382085), (85, 305668), (110, 236198), (170, 152834), (187, 138940), (220, 118099), (340, 76417), (374, 69470), (748, 34735), (935, 27788), (1870, 13894), (3740, 6947)]