190080020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{1579}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 431074560

約数和(自身を除く): 240994540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 926, 1579, 1852, 2315, 3158, 4630, 6019, 6316, 7895, 9260, 12038, 15790, 20527, 24076, 30095, 31580, 41054, 60190, 82108, 102635, 120380, 205270, 410540, 731077, 1462154, 2924308, 3655385, 7310770, 9504001, 14621540, 19008002, 38016004, 47520005, 95040010, 190080020]

約数ペア:

[(1, 190080020), (2, 95040010), (4, 47520005), (5, 38016004), (10, 19008002), (13, 14621540), (20, 9504001), (26, 7310770), (52, 3655385), (65, 2924308), (130, 1462154), (260, 731077), (463, 410540), (926, 205270), (1579, 120380), (1852, 102635), (2315, 82108), (3158, 60190), (4630, 41054), (6019, 31580), (6316, 30095), (7895, 24076), (9260, 20527), (12038, 15790)]