40140340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18413}}^1$

素因数の和:18531

約数の個数: 24

約数和(自身を含む): 85072680

約数和(自身を除く): 44932340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 18413, 36826, 73652, 92065, 184130, 368260, 2007017, 4014034, 8028068, 10035085, 20070170, 40140340]

約数ペア:

[(1, 40140340), (2, 20070170), (4, 10035085), (5, 8028068), (10, 4014034), (20, 2007017), (109, 368260), (218, 184130), (436, 92065), (545, 73652), (1090, 36826), (2180, 18413)]