42771040

素因数分解:

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

素因数の和:20591

約数の個数: 48

約数和(自身を含む): 108824688

約数和(自身を除く): 66053648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20563, 41126, 82252, 102815, 164504, 205630, 267319, 329008, 411260, 534638, 658016, 822520, 1069276, 1336595, 1645040, 2138552, 2673190, 3290080, 4277104, 5346380, 8554208, 10692760, 21385520, 42771040]

約数ペア:

[(1, 42771040), (2, 21385520), (4, 10692760), (5, 8554208), (8, 5346380), (10, 4277104), (13, 3290080), (16, 2673190), (20, 2138552), (26, 1645040), (32, 1336595), (40, 1069276), (52, 822520), (65, 658016), (80, 534638), (104, 411260), (130, 329008), (160, 267319), (208, 205630), (260, 164504), (416, 102815), (520, 82252), (1040, 41126), (2080, 20563)]