39920140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8122

約数の個数: 48

約数和(自身を含む): 95044320

約数和(自身を除く): 55124180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 8081, 16162, 32324, 40405, 80810, 105053, 153539, 161620, 210106, 307078, 420212, 525265, 614156, 767695, 1050530, 1535390, 1996007, 2101060, 3070780, 3992014, 7984028, 9980035, 19960070, 39920140]

約数ペア:

[(1, 39920140), (2, 19960070), (4, 9980035), (5, 7984028), (10, 3992014), (13, 3070780), (19, 2101060), (20, 1996007), (26, 1535390), (38, 1050530), (52, 767695), (65, 614156), (76, 525265), (95, 420212), (130, 307078), (190, 210106), (247, 161620), (260, 153539), (380, 105053), (494, 80810), (988, 40405), (1235, 32324), (2470, 16162), (4940, 8081)]