28214020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 61871040

約数和(自身を除く): 33657020

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 619, 860, 1060, 1238, 2279, 2476, 3095, 4558, 6190, 9116, 11395, 12380, 22790, 26617, 32807, 45580, 53234, 65614, 106468, 131228, 133085, 164035, 266170, 328070, 532340, 656140, 1410701, 2821402, 5642804, 7053505, 14107010, 28214020]

約数ペア:

[(1, 28214020), (2, 14107010), (4, 7053505), (5, 5642804), (10, 2821402), (20, 1410701), (43, 656140), (53, 532340), (86, 328070), (106, 266170), (172, 164035), (212, 133085), (215, 131228), (265, 106468), (430, 65614), (530, 53234), (619, 45580), (860, 32807), (1060, 26617), (1238, 22790), (2279, 12380), (2476, 11395), (3095, 9116), (4558, 6190)]