64768580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{53089}}^1$

素因数の和:53159

約数の個数: 24

約数和(自身を含む): 138246360

約数和(自身を除く): 73477780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 53089, 106178, 212356, 265445, 530890, 1061780, 3238429, 6476858, 12953716, 16192145, 32384290, 64768580]

約数ペア:

[(1, 64768580), (2, 32384290), (4, 16192145), (5, 12953716), (10, 6476858), (20, 3238429), (61, 1061780), (122, 530890), (244, 265445), (305, 212356), (610, 106178), (1220, 53089)]