157088440

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12547}}^1$

素因数の和:12871

約数の個数: 32

約数和(自身を含む): 354606480

約数和(自身を除く): 197518040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 12547, 25094, 50188, 62735, 100376, 125470, 250940, 501880, 3927211, 7854422, 15708844, 19636055, 31417688, 39272110, 78544220, 157088440]

約数ペア:

[(1, 157088440), (2, 78544220), (4, 39272110), (5, 31417688), (8, 19636055), (10, 15708844), (20, 7854422), (40, 3927211), (313, 501880), (626, 250940), (1252, 125470), (1565, 100376), (2504, 62735), (3130, 50188), (6260, 25094), (12520, 12547)]