12379280

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:855

約数の個数: 40

約数和(自身を含む): 28938624

約数和(自身を除く): 16559344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 571, 1084, 1142, 1355, 2168, 2284, 2710, 2855, 4336, 4568, 5420, 5710, 9136, 10840, 11420, 21680, 22840, 45680, 154741, 309482, 618964, 773705, 1237928, 1547410, 2475856, 3094820, 6189640, 12379280]

約数ペア:

[(1, 12379280), (2, 6189640), (4, 3094820), (5, 2475856), (8, 1547410), (10, 1237928), (16, 773705), (20, 618964), (40, 309482), (80, 154741), (271, 45680), (542, 22840), (571, 21680), (1084, 11420), (1142, 10840), (1355, 9136), (2168, 5710), (2284, 5420), (2710, 4568), (2855, 4336)]