26226520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 35009480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 139, 178, 212, 265, 278, 356, 424, 445, 530, 556, 695, 712, 890, 1060, 1112, 1390, 1780, 2120, 2780, 3560, 4717, 5560, 7367, 9434, 12371, 14734, 18868, 23585, 24742, 29468, 36835, 37736, 47170, 49484, 58936, 61855, 73670, 94340, 98968, 123710, 147340, 188680, 247420, 294680, 494840, 655663, 1311326, 2622652, 3278315, 5245304, 6556630, 13113260, 26226520]

約数ペア:

[(1, 26226520), (2, 13113260), (4, 6556630), (5, 5245304), (8, 3278315), (10, 2622652), (20, 1311326), (40, 655663), (53, 494840), (89, 294680), (106, 247420), (139, 188680), (178, 147340), (212, 123710), (265, 98968), (278, 94340), (356, 73670), (424, 61855), (445, 58936), (530, 49484), (556, 47170), (695, 37736), (712, 36835), (890, 29468), (1060, 24742), (1112, 23585), (1390, 18868), (1780, 14734), (2120, 12371), (2780, 9434), (3560, 7367), (4717, 5560)]