38894860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 83865600

約数和(自身を除く): 44970740

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 239, 316, 395, 412, 478, 515, 790, 956, 1030, 1195, 1580, 2060, 2390, 4780, 8137, 16274, 18881, 24617, 32548, 37762, 40685, 49234, 75524, 81370, 94405, 98468, 123085, 162740, 188810, 246170, 377620, 492340, 1944743, 3889486, 7778972, 9723715, 19447430, 38894860]

約数ペア:

[(1, 38894860), (2, 19447430), (4, 9723715), (5, 7778972), (10, 3889486), (20, 1944743), (79, 492340), (103, 377620), (158, 246170), (206, 188810), (239, 162740), (316, 123085), (395, 98468), (412, 94405), (478, 81370), (515, 75524), (790, 49234), (956, 40685), (1030, 37762), (1195, 32548), (1580, 24617), (2060, 18881), (2390, 16274), (4780, 8137)]