40721870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2953}}^1$

素因数の和:3164

約数の個数: 32

約数和(自身を含む): 84224448

約数和(自身を除く): 43502578

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 2953, 5906, 6895, 13790, 14765, 20671, 29530, 41342, 103355, 206710, 581741, 1163482, 2908705, 4072187, 5817410, 8144374, 20360935, 40721870]

約数ペア:

[(1, 40721870), (2, 20360935), (5, 8144374), (7, 5817410), (10, 4072187), (14, 2908705), (35, 1163482), (70, 581741), (197, 206710), (394, 103355), (985, 41342), (1379, 29530), (1970, 20671), (2758, 14765), (2953, 13790), (5906, 6895)]