1918640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 4620240

約数和(自身を除く): 2701600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 827, 1160, 1654, 2320, 3308, 4135, 6616, 8270, 13232, 16540, 23983, 33080, 47966, 66160, 95932, 119915, 191864, 239830, 383728, 479660, 959320, 1918640]

約数ペア:

[(1, 1918640), (2, 959320), (4, 479660), (5, 383728), (8, 239830), (10, 191864), (16, 119915), (20, 95932), (29, 66160), (40, 47966), (58, 33080), (80, 23983), (116, 16540), (145, 13232), (232, 8270), (290, 6616), (464, 4135), (580, 3308), (827, 2320), (1160, 1654)]