85168880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 60

約数和(自身を含む): 202356840

約数和(自身を除く): 117187960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 379, 424, 530, 758, 848, 1060, 1516, 1895, 2120, 2809, 3032, 3790, 4240, 5618, 6064, 7580, 11236, 14045, 15160, 20087, 22472, 28090, 30320, 40174, 44944, 56180, 80348, 100435, 112360, 160696, 200870, 224720, 321392, 401740, 803480, 1064611, 1606960, 2129222, 4258444, 5323055, 8516888, 10646110, 17033776, 21292220, 42584440, 85168880]

約数ペア:

[(1, 85168880), (2, 42584440), (4, 21292220), (5, 17033776), (8, 10646110), (10, 8516888), (16, 5323055), (20, 4258444), (40, 2129222), (53, 1606960), (80, 1064611), (106, 803480), (212, 401740), (265, 321392), (379, 224720), (424, 200870), (530, 160696), (758, 112360), (848, 100435), (1060, 80348), (1516, 56180), (1895, 44944), (2120, 40174), (2809, 30320), (3032, 28090), (3790, 22472), (4240, 20087), (5618, 15160), (6064, 14045), (7580, 11236)]