27956240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26881}}^1$

素因数の和:26907

約数の個数: 40

約数和(自身を含む): 70000728

約数和(自身を除く): 42044488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26881, 53762, 107524, 134405, 215048, 268810, 349453, 430096, 537620, 698906, 1075240, 1397812, 1747265, 2150480, 2795624, 3494530, 5591248, 6989060, 13978120, 27956240]

約数ペア:

[(1, 27956240), (2, 13978120), (4, 6989060), (5, 5591248), (8, 3494530), (10, 2795624), (13, 2150480), (16, 1747265), (20, 1397812), (26, 1075240), (40, 698906), (52, 537620), (65, 430096), (80, 349453), (104, 268810), (130, 215048), (208, 134405), (260, 107524), (520, 53762), (1040, 26881)]