89969840

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1429}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 209592240

約数和(自身を除く): 119622400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1429, 1574, 2858, 3148, 3935, 5716, 6296, 7145, 7870, 11432, 12592, 14290, 15740, 22864, 28580, 31480, 57160, 62960, 114320, 1124623, 2249246, 4498492, 5623115, 8996984, 11246230, 17993968, 22492460, 44984920, 89969840]

約数ペア:

[(1, 89969840), (2, 44984920), (4, 22492460), (5, 17993968), (8, 11246230), (10, 8996984), (16, 5623115), (20, 4498492), (40, 2249246), (80, 1124623), (787, 114320), (1429, 62960), (1574, 57160), (2858, 31480), (3148, 28580), (3935, 22864), (5716, 15740), (6296, 14290), (7145, 12592), (7870, 11432)]