40540370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2861}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 79334640

約数和(自身を除く): 38794270

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 2861, 5722, 7085, 14170, 14305, 28610, 37193, 74386, 185965, 311849, 371930, 623698, 1559245, 3118490, 4054037, 8108074, 20270185, 40540370]

約数ペア:

[(1, 40540370), (2, 20270185), (5, 8108074), (10, 4054037), (13, 3118490), (26, 1559245), (65, 623698), (109, 371930), (130, 311849), (218, 185965), (545, 74386), (1090, 37193), (1417, 28610), (2834, 14305), (2861, 14170), (5722, 7085)]