72538880

素因数分解:

$2^8\times 5^1\times {\mathrm{56671}}^1$

素因数の和:56692

約数の個数: 36

約数和(自身を含む): 173756352

約数和(自身を除く): 101217472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56671, 113342, 226684, 283355, 453368, 566710, 906736, 1133420, 1813472, 2266840, 3626944, 4533680, 7253888, 9067360, 14507776, 18134720, 36269440, 72538880]

約数ペア:

[(1, 72538880), (2, 36269440), (4, 18134720), (5, 14507776), (8, 9067360), (10, 7253888), (16, 4533680), (20, 3626944), (32, 2266840), (40, 1813472), (64, 1133420), (80, 906736), (128, 566710), (160, 453368), (256, 283355), (320, 226684), (640, 113342), (1280, 56671)]