12271120

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 28741464

約数和(自身を除く): 16470344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 977, 1256, 1570, 1954, 2512, 3140, 3908, 4885, 6280, 7816, 9770, 12560, 15632, 19540, 39080, 78160, 153389, 306778, 613556, 766945, 1227112, 1533890, 2454224, 3067780, 6135560, 12271120]

約数ペア:

[(1, 12271120), (2, 6135560), (4, 3067780), (5, 2454224), (8, 1533890), (10, 1227112), (16, 766945), (20, 613556), (40, 306778), (80, 153389), (157, 78160), (314, 39080), (628, 19540), (785, 15632), (977, 12560), (1256, 9770), (1570, 7816), (1954, 6280), (2512, 4885), (3140, 3908)]