61862920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{220939}}^1$

素因数の和:220957

約数の個数: 32

約数和(自身を含む): 159076800

約数和(自身を除く): 97213880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 220939, 441878, 883756, 1104695, 1546573, 1767512, 2209390, 3093146, 4418780, 6186292, 7732865, 8837560, 12372584, 15465730, 30931460, 61862920]

約数ペア:

[(1, 61862920), (2, 30931460), (4, 15465730), (5, 12372584), (7, 8837560), (8, 7732865), (10, 6186292), (14, 4418780), (20, 3093146), (28, 2209390), (35, 1767512), (40, 1546573), (56, 1104695), (70, 883756), (140, 441878), (280, 220939)]