40000280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34483}}^1$

素因数の和:34523

約数の個数: 32

約数和(自身を含む): 93106800

約数和(自身を除く): 53106520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 34483, 68966, 137932, 172415, 275864, 344830, 689660, 1000007, 1379320, 2000014, 4000028, 5000035, 8000056, 10000070, 20000140, 40000280]

約数ペア:

[(1, 40000280), (2, 20000140), (4, 10000070), (5, 8000056), (8, 5000035), (10, 4000028), (20, 2000014), (29, 1379320), (40, 1000007), (58, 689660), (116, 344830), (145, 275864), (232, 172415), (290, 137932), (580, 68966), (1160, 34483)]