12550040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 17689960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 349, 580, 620, 698, 899, 1160, 1240, 1396, 1745, 1798, 2792, 3490, 3596, 4495, 6980, 7192, 8990, 10121, 10819, 13960, 17980, 20242, 21638, 35960, 40484, 43276, 50605, 54095, 80968, 86552, 101210, 108190, 202420, 216380, 313751, 404840, 432760, 627502, 1255004, 1568755, 2510008, 3137510, 6275020, 12550040]

約数ペア:

[(1, 12550040), (2, 6275020), (4, 3137510), (5, 2510008), (8, 1568755), (10, 1255004), (20, 627502), (29, 432760), (31, 404840), (40, 313751), (58, 216380), (62, 202420), (116, 108190), (124, 101210), (145, 86552), (155, 80968), (232, 54095), (248, 50605), (290, 43276), (310, 40484), (349, 35960), (580, 21638), (620, 20242), (698, 17980), (899, 13960), (1160, 10819), (1240, 10121), (1396, 8990), (1745, 7192), (1798, 6980), (2792, 4495), (3490, 3596)]