28699240

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1657}}^1$

素因数の和:2101

約数の個数: 32

約数和(自身を含む): 64761480

約数和(自身を除く): 36062240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1657, 1732, 2165, 3314, 3464, 4330, 6628, 8285, 8660, 13256, 16570, 17320, 33140, 66280, 717481, 1434962, 2869924, 3587405, 5739848, 7174810, 14349620, 28699240]

約数ペア:

[(1, 28699240), (2, 14349620), (4, 7174810), (5, 5739848), (8, 3587405), (10, 2869924), (20, 1434962), (40, 717481), (433, 66280), (866, 33140), (1657, 17320), (1732, 16570), (2165, 13256), (3314, 8660), (3464, 8285), (4330, 6628)]