12469640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 28189080

約数和(自身を除く): 15719440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1213, 1285, 2056, 2426, 2570, 4852, 5140, 6065, 9704, 10280, 12130, 24260, 48520, 311741, 623482, 1246964, 1558705, 2493928, 3117410, 6234820, 12469640]

約数ペア:

[(1, 12469640), (2, 6234820), (4, 3117410), (5, 2493928), (8, 1558705), (10, 1246964), (20, 623482), (40, 311741), (257, 48520), (514, 24260), (1028, 12130), (1213, 10280), (1285, 9704), (2056, 6065), (2426, 5140), (2570, 4852)]