17937640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64063}}^1$

素因数の和:64081

約数の個数: 32

約数和(自身を含む): 46126080

約数和(自身を除く): 28188440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64063, 128126, 256252, 320315, 448441, 512504, 640630, 896882, 1281260, 1793764, 2242205, 2562520, 3587528, 4484410, 8968820, 17937640]

約数ペア:

[(1, 17937640), (2, 8968820), (4, 4484410), (5, 3587528), (7, 2562520), (8, 2242205), (10, 1793764), (14, 1281260), (20, 896882), (28, 640630), (35, 512504), (40, 448441), (56, 320315), (70, 256252), (140, 128126), (280, 64063)]