64021780

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{10427}}^1$

素因数の和:10743

約数の個数: 24

約数和(自身を含む): 134896608

約数和(自身を除く): 70874828

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 10427, 20854, 41708, 52135, 104270, 208540, 3201089, 6402178, 12804356, 16005445, 32010890, 64021780]

約数ペア:

[(1, 64021780), (2, 32010890), (4, 16005445), (5, 12804356), (10, 6402178), (20, 3201089), (307, 208540), (614, 104270), (1228, 52135), (1535, 41708), (3070, 20854), (6140, 10427)]