54720220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2531}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 122508288

約数和(自身を除く): 67788068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 2531, 4324, 5062, 5405, 10124, 10810, 12655, 21620, 25310, 50620, 58213, 116426, 118957, 232852, 237914, 291065, 475828, 582130, 594785, 1164260, 1189570, 2379140, 2736011, 5472022, 10944044, 13680055, 27360110, 54720220]

約数ペア:

[(1, 54720220), (2, 27360110), (4, 13680055), (5, 10944044), (10, 5472022), (20, 2736011), (23, 2379140), (46, 1189570), (47, 1164260), (92, 594785), (94, 582130), (115, 475828), (188, 291065), (230, 237914), (235, 232852), (460, 118957), (470, 116426), (940, 58213), (1081, 50620), (2162, 25310), (2531, 21620), (4324, 12655), (5062, 10810), (5405, 10124)]