19763240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70583}}^1$

素因数の和:70601

約数の個数: 32

約数和(自身を含む): 50820480

約数和(自身を除く): 31057240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70583, 141166, 282332, 352915, 494081, 564664, 705830, 988162, 1411660, 1976324, 2470405, 2823320, 3952648, 4940810, 9881620, 19763240]

約数ペア:

[(1, 19763240), (2, 9881620), (4, 4940810), (5, 3952648), (7, 2823320), (8, 2470405), (10, 1976324), (14, 1411660), (20, 988162), (28, 705830), (35, 564664), (40, 494081), (56, 352915), (70, 282332), (140, 141166), (280, 70583)]