71375320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15791}}^1$

素因数の和:15915

約数の個数: 32

約数和(自身を含む): 162025920

約数和(自身を除く): 90650600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 15791, 31582, 63164, 78955, 126328, 157910, 315820, 631640, 1784383, 3568766, 7137532, 8921915, 14275064, 17843830, 35687660, 71375320]

約数ペア:

[(1, 71375320), (2, 35687660), (4, 17843830), (5, 14275064), (8, 8921915), (10, 7137532), (20, 3568766), (40, 1784383), (113, 631640), (226, 315820), (452, 157910), (565, 126328), (904, 78955), (1130, 63164), (2260, 31582), (4520, 15791)]