28742680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6359}}^1$

素因数の和:6483

約数の個数: 32

約数和(自身を含む): 65253600

約数和(自身を除く): 36510920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6359, 12718, 25436, 31795, 50872, 63590, 127180, 254360, 718567, 1437134, 2874268, 3592835, 5748536, 7185670, 14371340, 28742680]

約数ペア:

[(1, 28742680), (2, 14371340), (4, 7185670), (5, 5748536), (8, 3592835), (10, 2874268), (20, 1437134), (40, 718567), (113, 254360), (226, 127180), (452, 63590), (565, 50872), (904, 31795), (1130, 25436), (2260, 12718), (4520, 6359)]