64158920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229139}}^1$

素因数の和:229157

約数の個数: 32

約数和(自身を含む): 164980800

約数和(自身を除く): 100821880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 229139, 458278, 916556, 1145695, 1603973, 1833112, 2291390, 3207946, 4582780, 6415892, 8019865, 9165560, 12831784, 16039730, 32079460, 64158920]

約数ペア:

[(1, 64158920), (2, 32079460), (4, 16039730), (5, 12831784), (7, 9165560), (8, 8019865), (10, 6415892), (14, 4582780), (20, 3207946), (28, 2291390), (35, 1833112), (40, 1603973), (56, 1145695), (70, 916556), (140, 458278), (280, 229139)]