66678640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119069}}^1$

素因数の和:119089

約数の個数: 40

約数和(自身を含む): 177176160

約数和(自身を除く): 110497520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119069, 238138, 476276, 595345, 833483, 952552, 1190690, 1666966, 1905104, 2381380, 3333932, 4167415, 4762760, 6667864, 8334830, 9525520, 13335728, 16669660, 33339320, 66678640]

約数ペア:

[(1, 66678640), (2, 33339320), (4, 16669660), (5, 13335728), (7, 9525520), (8, 8334830), (10, 6667864), (14, 4762760), (16, 4167415), (20, 3333932), (28, 2381380), (35, 1905104), (40, 1666966), (56, 1190690), (70, 952552), (80, 833483), (112, 595345), (140, 476276), (280, 238138), (560, 119069)]