66235820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6481}}^1$

素因数の和:6570

約数の個数: 48

約数和(自身を含む): 161168448

約数和(自身を除く): 94932628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 6481, 10220, 12962, 25924, 32405, 45367, 64810, 90734, 129620, 181468, 226835, 453670, 473113, 907340, 946226, 1892452, 2365565, 3311791, 4731130, 6623582, 9462260, 13247164, 16558955, 33117910, 66235820]

約数ペア:

[(1, 66235820), (2, 33117910), (4, 16558955), (5, 13247164), (7, 9462260), (10, 6623582), (14, 4731130), (20, 3311791), (28, 2365565), (35, 1892452), (70, 946226), (73, 907340), (140, 473113), (146, 453670), (292, 226835), (365, 181468), (511, 129620), (730, 90734), (1022, 64810), (1460, 45367), (2044, 32405), (2555, 25924), (5110, 12962), (6481, 10220)]