20130640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8677}}^1$

素因数の和:8719

約数の個数: 40

約数和(自身を含む): 48423240

約数和(自身を除く): 28292600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8677, 17354, 34708, 43385, 69416, 86770, 138832, 173540, 251633, 347080, 503266, 694160, 1006532, 1258165, 2013064, 2516330, 4026128, 5032660, 10065320, 20130640]

約数ペア:

[(1, 20130640), (2, 10065320), (4, 5032660), (5, 4026128), (8, 2516330), (10, 2013064), (16, 1258165), (20, 1006532), (29, 694160), (40, 503266), (58, 347080), (80, 251633), (116, 173540), (145, 138832), (232, 86770), (290, 69416), (464, 43385), (580, 34708), (1160, 17354), (2320, 8677)]