65012920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{232189}}^1$

素因数の和:232207

約数の個数: 32

約数和(自身を含む): 167176800

約数和(自身を除く): 102163880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 232189, 464378, 928756, 1160945, 1625323, 1857512, 2321890, 3250646, 4643780, 6501292, 8126615, 9287560, 13002584, 16253230, 32506460, 65012920]

約数ペア:

[(1, 65012920), (2, 32506460), (4, 16253230), (5, 13002584), (7, 9287560), (8, 8126615), (10, 6501292), (14, 4643780), (20, 3250646), (28, 2321890), (35, 1857512), (40, 1625323), (56, 1160945), (70, 928756), (140, 464378), (280, 232189)]