72402640

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1061}}^1$

素因数の和:1927

約数の個数: 40

約数和(自身を含む): 168692328

約数和(自身を除く): 96289688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1061, 1706, 2122, 3412, 4244, 4265, 5305, 6824, 8488, 8530, 10610, 13648, 16976, 17060, 21220, 34120, 42440, 68240, 84880, 905033, 1810066, 3620132, 4525165, 7240264, 9050330, 14480528, 18100660, 36201320, 72402640]

約数ペア:

[(1, 72402640), (2, 36201320), (4, 18100660), (5, 14480528), (8, 9050330), (10, 7240264), (16, 4525165), (20, 3620132), (40, 1810066), (80, 905033), (853, 84880), (1061, 68240), (1706, 42440), (2122, 34120), (3412, 21220), (4244, 17060), (4265, 16976), (5305, 13648), (6824, 10610), (8488, 8530)]