79205840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{141439}}^1$

素因数の和:141459

約数の個数: 40

約数和(自身を含む): 210462720

約数和(自身を除く): 131256880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 141439, 282878, 565756, 707195, 990073, 1131512, 1414390, 1980146, 2263024, 2828780, 3960292, 4950365, 5657560, 7920584, 9900730, 11315120, 15841168, 19801460, 39602920, 79205840]

約数ペア:

[(1, 79205840), (2, 39602920), (4, 19801460), (5, 15841168), (7, 11315120), (8, 9900730), (10, 7920584), (14, 5657560), (16, 4950365), (20, 3960292), (28, 2828780), (35, 2263024), (40, 1980146), (56, 1414390), (70, 1131512), (80, 990073), (112, 707195), (140, 565756), (280, 282878), (560, 141439)]