27177580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 31528340

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 167, 206, 316, 334, 395, 412, 515, 668, 790, 835, 1030, 1580, 1670, 2060, 3340, 8137, 13193, 16274, 17201, 26386, 32548, 34402, 40685, 52772, 65965, 68804, 81370, 86005, 131930, 162740, 172010, 263860, 344020, 1358879, 2717758, 5435516, 6794395, 13588790, 27177580]

約数ペア:

[(1, 27177580), (2, 13588790), (4, 6794395), (5, 5435516), (10, 2717758), (20, 1358879), (79, 344020), (103, 263860), (158, 172010), (167, 162740), (206, 131930), (316, 86005), (334, 81370), (395, 68804), (412, 65965), (515, 52772), (668, 40685), (790, 34402), (835, 32548), (1030, 26386), (1580, 17201), (1670, 16274), (2060, 13193), (3340, 8137)]