828371380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{2411}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 1787002560

約数和(自身を除く): 958631180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 419, 820, 838, 1676, 2095, 2411, 4190, 4822, 8380, 9644, 12055, 17179, 24110, 34358, 48220, 68716, 85895, 98851, 171790, 197702, 343580, 395404, 494255, 988510, 1010209, 1977020, 2020418, 4040836, 5051045, 10102090, 20204180, 41418569, 82837138, 165674276, 207092845, 414185690, 828371380]

約数ペア:

[(1, 828371380), (2, 414185690), (4, 207092845), (5, 165674276), (10, 82837138), (20, 41418569), (41, 20204180), (82, 10102090), (164, 5051045), (205, 4040836), (410, 2020418), (419, 1977020), (820, 1010209), (838, 988510), (1676, 494255), (2095, 395404), (2411, 343580), (4190, 197702), (4822, 171790), (8380, 98851), (9644, 85895), (12055, 68716), (17179, 48220), (24110, 34358)]