28041140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 62802432

約数和(自身を除く): 34761292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1297, 2162, 2594, 4324, 5188, 5405, 6485, 10810, 12970, 21620, 25940, 29831, 59662, 60959, 119324, 121918, 149155, 243836, 298310, 304795, 596620, 609590, 1219180, 1402057, 2804114, 5608228, 7010285, 14020570, 28041140]

約数ペア:

[(1, 28041140), (2, 14020570), (4, 7010285), (5, 5608228), (10, 2804114), (20, 1402057), (23, 1219180), (46, 609590), (47, 596620), (92, 304795), (94, 298310), (115, 243836), (188, 149155), (230, 121918), (235, 119324), (460, 60959), (470, 59662), (940, 29831), (1081, 25940), (1297, 21620), (2162, 12970), (2594, 10810), (4324, 6485), (5188, 5405)]