42132020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1993}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 101837568

約数和(自身を除く): 59705548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 1993, 2114, 3020, 3986, 4228, 5285, 7972, 9965, 10570, 13951, 19930, 21140, 27902, 39860, 55804, 69755, 139510, 279020, 300943, 601886, 1203772, 1504715, 2106601, 3009430, 4213202, 6018860, 8426404, 10533005, 21066010, 42132020]

約数ペア:

[(1, 42132020), (2, 21066010), (4, 10533005), (5, 8426404), (7, 6018860), (10, 4213202), (14, 3009430), (20, 2106601), (28, 1504715), (35, 1203772), (70, 601886), (140, 300943), (151, 279020), (302, 139510), (604, 69755), (755, 55804), (1057, 39860), (1510, 27902), (1993, 21140), (2114, 19930), (3020, 13951), (3986, 10570), (4228, 9965), (5285, 7972)]