40189070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 75448800

約数和(自身を除く): 35259730

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 997, 1390, 1994, 4031, 4985, 8062, 9970, 20155, 28913, 40310, 57826, 138583, 144565, 277166, 289130, 692915, 1385830, 4018907, 8037814, 20094535, 40189070]

約数ペア:

[(1, 40189070), (2, 20094535), (5, 8037814), (10, 4018907), (29, 1385830), (58, 692915), (139, 289130), (145, 277166), (278, 144565), (290, 138583), (695, 57826), (997, 40310), (1390, 28913), (1994, 20155), (4031, 9970), (4985, 8062)]