180640330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19571}}^1$

素因数の和:19662

約数の個数: 32

約数和(自身を含む): 355114368

約数和(自身を除く): 174474038

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 19571, 39142, 97855, 195710, 254423, 508846, 1272115, 1389541, 2544230, 2779082, 6947705, 13895410, 18064033, 36128066, 90320165, 180640330]

約数ペア:

[(1, 180640330), (2, 90320165), (5, 36128066), (10, 18064033), (13, 13895410), (26, 6947705), (65, 2779082), (71, 2544230), (130, 1389541), (142, 1272115), (355, 508846), (710, 254423), (923, 195710), (1846, 97855), (4615, 39142), (9230, 19571)]