38969720

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1579}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 87879600

約数和(自身を除く): 48909880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 1579, 2468, 3085, 3158, 4936, 6170, 6316, 7895, 12340, 12632, 15790, 24680, 31580, 63160, 974243, 1948486, 3896972, 4871215, 7793944, 9742430, 19484860, 38969720]

約数ペア:

[(1, 38969720), (2, 19484860), (4, 9742430), (5, 7793944), (8, 4871215), (10, 3896972), (20, 1948486), (40, 974243), (617, 63160), (1234, 31580), (1579, 24680), (2468, 15790), (3085, 12632), (3158, 12340), (4936, 7895), (6170, 6316)]