15697640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8009}}^1$

素因数の和:8034

約数の個数: 48

約数和(自身を含む): 41091300

約数和(自身を除く): 25393660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8009, 16018, 32036, 40045, 56063, 64072, 80090, 112126, 160180, 224252, 280315, 320360, 392441, 448504, 560630, 784882, 1121260, 1569764, 1962205, 2242520, 3139528, 3924410, 7848820, 15697640]

約数ペア:

[(1, 15697640), (2, 7848820), (4, 3924410), (5, 3139528), (7, 2242520), (8, 1962205), (10, 1569764), (14, 1121260), (20, 784882), (28, 560630), (35, 448504), (40, 392441), (49, 320360), (56, 280315), (70, 224252), (98, 160180), (140, 112126), (196, 80090), (245, 64072), (280, 56063), (392, 40045), (490, 32036), (980, 16018), (1960, 8009)]