80197460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{829}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 192984960

約数和(自身を除く): 112787500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 829, 1382, 1658, 2764, 3316, 3455, 4145, 4837, 5803, 6910, 8290, 9674, 11606, 13820, 16580, 19348, 23212, 24185, 29015, 48370, 58030, 96740, 116060, 572839, 1145678, 2291356, 2864195, 4009873, 5728390, 8019746, 11456780, 16039492, 20049365, 40098730, 80197460]

約数ペア:

[(1, 80197460), (2, 40098730), (4, 20049365), (5, 16039492), (7, 11456780), (10, 8019746), (14, 5728390), (20, 4009873), (28, 2864195), (35, 2291356), (70, 1145678), (140, 572839), (691, 116060), (829, 96740), (1382, 58030), (1658, 48370), (2764, 29015), (3316, 24185), (3455, 23212), (4145, 19348), (4837, 16580), (5803, 13820), (6910, 11606), (8290, 9674)]