90882280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 210418560

約数和(自身を除く): 119536280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 163, 212, 263, 265, 326, 424, 526, 530, 652, 815, 1052, 1060, 1304, 1315, 1630, 2104, 2120, 2630, 3260, 5260, 6520, 8639, 10520, 13939, 17278, 27878, 34556, 42869, 43195, 55756, 69112, 69695, 85738, 86390, 111512, 139390, 171476, 172780, 214345, 278780, 342952, 345560, 428690, 557560, 857380, 1714760, 2272057, 4544114, 9088228, 11360285, 18176456, 22720570, 45441140, 90882280]

約数ペア:

[(1, 90882280), (2, 45441140), (4, 22720570), (5, 18176456), (8, 11360285), (10, 9088228), (20, 4544114), (40, 2272057), (53, 1714760), (106, 857380), (163, 557560), (212, 428690), (263, 345560), (265, 342952), (326, 278780), (424, 214345), (526, 172780), (530, 171476), (652, 139390), (815, 111512), (1052, 86390), (1060, 85738), (1304, 69695), (1315, 69112), (1630, 55756), (2104, 43195), (2120, 42869), (2630, 34556), (3260, 27878), (5260, 17278), (6520, 13939), (8639, 10520)]