40257520

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1201}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 93900240

約数和(自身を除く): 53642720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1201, 1676, 2095, 2402, 3352, 4190, 4804, 6005, 6704, 8380, 9608, 12010, 16760, 19216, 24020, 33520, 48040, 96080, 503219, 1006438, 2012876, 2516095, 4025752, 5032190, 8051504, 10064380, 20128760, 40257520]

約数ペア:

[(1, 40257520), (2, 20128760), (4, 10064380), (5, 8051504), (8, 5032190), (10, 4025752), (16, 2516095), (20, 2012876), (40, 1006438), (80, 503219), (419, 96080), (838, 48040), (1201, 33520), (1676, 24020), (2095, 19216), (2402, 16760), (3352, 12010), (4190, 9608), (4804, 8380), (6005, 6704)]