90009320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1217}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 207510660

約数和(自身を除く): 117501340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1217, 1720, 1849, 2434, 3698, 4868, 6085, 7396, 9245, 9736, 12170, 14792, 18490, 24340, 36980, 48680, 52331, 73960, 104662, 209324, 261655, 418648, 523310, 1046620, 2093240, 2250233, 4500466, 9000932, 11251165, 18001864, 22502330, 45004660, 90009320]

約数ペア:

[(1, 90009320), (2, 45004660), (4, 22502330), (5, 18001864), (8, 11251165), (10, 9000932), (20, 4500466), (40, 2250233), (43, 2093240), (86, 1046620), (172, 523310), (215, 418648), (344, 261655), (430, 209324), (860, 104662), (1217, 73960), (1720, 52331), (1849, 48680), (2434, 36980), (3698, 24340), (4868, 18490), (6085, 14792), (7396, 12170), (9245, 9736)]