28181420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38083}}^1$

素因数の和:38129

約数の個数: 24

約数和(自身を含む): 60782064

約数和(自身を除く): 32600644

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 38083, 76166, 152332, 190415, 380830, 761660, 1409071, 2818142, 5636284, 7045355, 14090710, 28181420]

約数ペア:

[(1, 28181420), (2, 14090710), (4, 7045355), (5, 5636284), (10, 2818142), (20, 1409071), (37, 761660), (74, 380830), (148, 190415), (185, 152332), (370, 76166), (740, 38083)]