90646960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21379}}^1$

素因数の和:21445

約数の個数: 40

約数和(自身を含む): 214740720

約数和(自身を除く): 124093760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 21379, 42758, 85516, 106895, 171032, 213790, 342064, 427580, 855160, 1133087, 1710320, 2266174, 4532348, 5665435, 9064696, 11330870, 18129392, 22661740, 45323480, 90646960]

約数ペア:

[(1, 90646960), (2, 45323480), (4, 22661740), (5, 18129392), (8, 11330870), (10, 9064696), (16, 5665435), (20, 4532348), (40, 2266174), (53, 1710320), (80, 1133087), (106, 855160), (212, 427580), (265, 342064), (424, 213790), (530, 171032), (848, 106895), (1060, 85516), (2120, 42758), (4240, 21379)]