12459640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 30209760

約数和(自身を除く): 17750120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 251, 292, 340, 365, 502, 584, 680, 730, 1004, 1241, 1255, 1460, 2008, 2482, 2510, 2920, 4267, 4964, 5020, 6205, 8534, 9928, 10040, 12410, 17068, 18323, 21335, 24820, 34136, 36646, 42670, 49640, 73292, 85340, 91615, 146584, 170680, 183230, 311491, 366460, 622982, 732920, 1245964, 1557455, 2491928, 3114910, 6229820, 12459640]

約数ペア:

[(1, 12459640), (2, 6229820), (4, 3114910), (5, 2491928), (8, 1557455), (10, 1245964), (17, 732920), (20, 622982), (34, 366460), (40, 311491), (68, 183230), (73, 170680), (85, 146584), (136, 91615), (146, 85340), (170, 73292), (251, 49640), (292, 42670), (340, 36646), (365, 34136), (502, 24820), (584, 21335), (680, 18323), (730, 17068), (1004, 12410), (1241, 10040), (1255, 9928), (1460, 8534), (2008, 6205), (2482, 5020), (2510, 4964), (2920, 4267)]