40888840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 96390000

約数和(自身を除く): 55501160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 202, 232, 290, 349, 404, 505, 580, 698, 808, 1010, 1160, 1396, 1745, 2020, 2792, 2929, 3490, 4040, 5858, 6980, 10121, 11716, 13960, 14645, 20242, 23432, 29290, 35249, 40484, 50605, 58580, 70498, 80968, 101210, 117160, 140996, 176245, 202420, 281992, 352490, 404840, 704980, 1022221, 1409960, 2044442, 4088884, 5111105, 8177768, 10222210, 20444420, 40888840]

約数ペア:

[(1, 40888840), (2, 20444420), (4, 10222210), (5, 8177768), (8, 5111105), (10, 4088884), (20, 2044442), (29, 1409960), (40, 1022221), (58, 704980), (101, 404840), (116, 352490), (145, 281992), (202, 202420), (232, 176245), (290, 140996), (349, 117160), (404, 101210), (505, 80968), (580, 70498), (698, 58580), (808, 50605), (1010, 40484), (1160, 35249), (1396, 29290), (1745, 23432), (2020, 20242), (2792, 14645), (2929, 13960), (3490, 11716), (4040, 10121), (5858, 6980)]