8019570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20563}}^1$

素因数の和:20586

約数の個数: 32

約数和(自身を含む): 20728512

約数和(自身を除く): 12708942

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20563, 41126, 61689, 102815, 123378, 205630, 267319, 308445, 534638, 616890, 801957, 1336595, 1603914, 2673190, 4009785, 8019570]

約数ペア:

[(1, 8019570), (2, 4009785), (3, 2673190), (5, 1603914), (6, 1336595), (10, 801957), (13, 616890), (15, 534638), (26, 308445), (30, 267319), (39, 205630), (65, 123378), (78, 102815), (130, 61689), (195, 41126), (390, 20563)]