71795560

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7907}}^1$

素因数の和:8145

約数の個数: 32

約数和(自身を含む): 162272160

約数和(自身を除く): 90476600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7907, 9080, 15814, 31628, 39535, 63256, 79070, 158140, 316280, 1794889, 3589778, 7179556, 8974445, 14359112, 17948890, 35897780, 71795560]

約数ペア:

[(1, 71795560), (2, 35897780), (4, 17948890), (5, 14359112), (8, 8974445), (10, 7179556), (20, 3589778), (40, 1794889), (227, 316280), (454, 158140), (908, 79070), (1135, 63256), (1816, 39535), (2270, 31628), (4540, 15814), (7907, 9080)]