4040140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 9384480

約数和(自身を除く): 5344340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 379, 410, 533, 758, 820, 1066, 1516, 1895, 2132, 2665, 3790, 4927, 5330, 7580, 9854, 10660, 15539, 19708, 24635, 31078, 49270, 62156, 77695, 98540, 155390, 202007, 310780, 404014, 808028, 1010035, 2020070, 4040140]

約数ペア:

[(1, 4040140), (2, 2020070), (4, 1010035), (5, 808028), (10, 404014), (13, 310780), (20, 202007), (26, 155390), (41, 98540), (52, 77695), (65, 62156), (82, 49270), (130, 31078), (164, 24635), (205, 19708), (260, 15539), (379, 10660), (410, 9854), (533, 7580), (758, 5330), (820, 4927), (1066, 3790), (1516, 2665), (1895, 2132)]