8080280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 20109600

約数和(自身を除く): 12029320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 379, 410, 520, 533, 758, 820, 1066, 1516, 1640, 1895, 2132, 2665, 3032, 3790, 4264, 4927, 5330, 7580, 9854, 10660, 15160, 15539, 19708, 21320, 24635, 31078, 39416, 49270, 62156, 77695, 98540, 124312, 155390, 197080, 202007, 310780, 404014, 621560, 808028, 1010035, 1616056, 2020070, 4040140, 8080280]

約数ペア:

[(1, 8080280), (2, 4040140), (4, 2020070), (5, 1616056), (8, 1010035), (10, 808028), (13, 621560), (20, 404014), (26, 310780), (40, 202007), (41, 197080), (52, 155390), (65, 124312), (82, 98540), (104, 77695), (130, 62156), (164, 49270), (205, 39416), (260, 31078), (328, 24635), (379, 21320), (410, 19708), (520, 15539), (533, 15160), (758, 10660), (820, 9854), (1066, 7580), (1516, 5330), (1640, 4927), (1895, 4264), (2132, 3790), (2665, 3032)]