42122320

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2909}}^1$

素因数の和:3103

約数の個数: 40

約数和(自身を含む): 98509320

約数和(自身を除く): 56387000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 2909, 3620, 5818, 7240, 11636, 14480, 14545, 23272, 29090, 46544, 58180, 116360, 232720, 526529, 1053058, 2106116, 2632645, 4212232, 5265290, 8424464, 10530580, 21061160, 42122320]

約数ペア:

[(1, 42122320), (2, 21061160), (4, 10530580), (5, 8424464), (8, 5265290), (10, 4212232), (16, 2632645), (20, 2106116), (40, 1053058), (80, 526529), (181, 232720), (362, 116360), (724, 58180), (905, 46544), (1448, 29090), (1810, 23272), (2896, 14545), (2909, 14480), (3620, 11636), (5818, 7240)]