12603980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 15700660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 701, 899, 1402, 1798, 2804, 3505, 3596, 4495, 7010, 8990, 14020, 17980, 20329, 21731, 40658, 43462, 81316, 86924, 101645, 108655, 203290, 217310, 406580, 434620, 630199, 1260398, 2520796, 3150995, 6301990, 12603980]

約数ペア:

[(1, 12603980), (2, 6301990), (4, 3150995), (5, 2520796), (10, 1260398), (20, 630199), (29, 434620), (31, 406580), (58, 217310), (62, 203290), (116, 108655), (124, 101645), (145, 86924), (155, 81316), (290, 43462), (310, 40658), (580, 21731), (620, 20329), (701, 17980), (899, 14020), (1402, 8990), (1798, 7010), (2804, 4495), (3505, 3596)]