39802640

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3169}}^1$

素因数の和:3339

約数の個数: 40

約数和(自身を含む): 93159960

約数和(自身を除く): 53357320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 3169, 6280, 6338, 12560, 12676, 15845, 25352, 31690, 50704, 63380, 126760, 253520, 497533, 995066, 1990132, 2487665, 3980264, 4975330, 7960528, 9950660, 19901320, 39802640]

約数ペア:

[(1, 39802640), (2, 19901320), (4, 9950660), (5, 7960528), (8, 4975330), (10, 3980264), (16, 2487665), (20, 1990132), (40, 995066), (80, 497533), (157, 253520), (314, 126760), (628, 63380), (785, 50704), (1256, 31690), (1570, 25352), (2512, 15845), (3140, 12676), (3169, 12560), (6280, 6338)]