40358920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144139}}^1$

素因数の和:144157

約数の個数: 32

約数和(自身を含む): 103780800

約数和(自身を除く): 63421880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144139, 288278, 576556, 720695, 1008973, 1153112, 1441390, 2017946, 2882780, 4035892, 5044865, 5765560, 8071784, 10089730, 20179460, 40358920]

約数ペア:

[(1, 40358920), (2, 20179460), (4, 10089730), (5, 8071784), (7, 5765560), (8, 5044865), (10, 4035892), (14, 2882780), (20, 2017946), (28, 1441390), (35, 1153112), (40, 1008973), (56, 720695), (70, 576556), (140, 288278), (280, 144139)]