2080442960

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{143677}}^1$

素因数の和:143871

約数の個数: 40

約数和(自身を含む): 4863787656

約数和(自身を除く): 2783344696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 143677, 287354, 574708, 718385, 1149416, 1436770, 2298832, 2873540, 5747080, 11494160, 26005537, 52011074, 104022148, 130027685, 208044296, 260055370, 416088592, 520110740, 1040221480, 2080442960]

約数ペア:

[(1, 2080442960), (2, 1040221480), (4, 520110740), (5, 416088592), (8, 260055370), (10, 208044296), (16, 130027685), (20, 104022148), (40, 52011074), (80, 26005537), (181, 11494160), (362, 5747080), (724, 2873540), (905, 2298832), (1448, 1436770), (1810, 1149416), (2896, 718385), (3620, 574708), (7240, 287354), (14480, 143677)]