12612940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 27524448

約数和(自身を除く): 14911508

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 163, 212, 265, 292, 326, 365, 530, 652, 730, 815, 1060, 1460, 1630, 3260, 3869, 7738, 8639, 11899, 15476, 17278, 19345, 23798, 34556, 38690, 43195, 47596, 59495, 77380, 86390, 118990, 172780, 237980, 630647, 1261294, 2522588, 3153235, 6306470, 12612940]

約数ペア:

[(1, 12612940), (2, 6306470), (4, 3153235), (5, 2522588), (10, 1261294), (20, 630647), (53, 237980), (73, 172780), (106, 118990), (146, 86390), (163, 77380), (212, 59495), (265, 47596), (292, 43195), (326, 38690), (365, 34556), (530, 23798), (652, 19345), (730, 17278), (815, 15476), (1060, 11899), (1460, 8639), (1630, 7738), (3260, 3869)]