71228420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{31517}}^1$

素因数の和:31639

約数の個数: 24

約数和(自身を含む): 150908184

約数和(自身を除く): 79679764

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 31517, 63034, 126068, 157585, 315170, 630340, 3561421, 7122842, 14245684, 17807105, 35614210, 71228420]

約数ペア:

[(1, 71228420), (2, 35614210), (4, 17807105), (5, 14245684), (10, 7122842), (20, 3561421), (113, 630340), (226, 315170), (452, 157585), (565, 126068), (1130, 63034), (2260, 31517)]