15690920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56039}}^1$

素因数の和:56057

約数の個数: 32

約数和(自身を含む): 40348800

約数和(自身を除く): 24657880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 56039, 112078, 224156, 280195, 392273, 448312, 560390, 784546, 1120780, 1569092, 1961365, 2241560, 3138184, 3922730, 7845460, 15690920]

約数ペア:

[(1, 15690920), (2, 7845460), (4, 3922730), (5, 3138184), (7, 2241560), (8, 1961365), (10, 1569092), (14, 1120780), (20, 784546), (28, 560390), (35, 448312), (40, 392273), (56, 280195), (70, 224156), (140, 112078), (280, 56039)]