2215145320

素因数分解:

$2^3\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{19037}}^1$

素因数の和:21957

約数の個数: 32

約数和(自身を含む): 4986052200

約数和(自身を除く): 2770906880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2909, 5818, 11636, 14545, 19037, 23272, 29090, 38074, 58180, 76148, 95185, 116360, 152296, 190370, 380740, 761480, 55378633, 110757266, 221514532, 276893165, 443029064, 553786330, 1107572660, 2215145320]

約数ペア:

[(1, 2215145320), (2, 1107572660), (4, 553786330), (5, 443029064), (8, 276893165), (10, 221514532), (20, 110757266), (40, 55378633), (2909, 761480), (5818, 380740), (11636, 190370), (14545, 152296), (19037, 116360), (23272, 95185), (29090, 76148), (38074, 58180)]