25821940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 56044800

約数和(自身を除く): 30222860

約数列:

[1, 2, 4, 5, 10, 20, 59, 79, 118, 158, 236, 277, 295, 316, 395, 554, 590, 790, 1108, 1180, 1385, 1580, 2770, 4661, 5540, 9322, 16343, 18644, 21883, 23305, 32686, 43766, 46610, 65372, 81715, 87532, 93220, 109415, 163430, 218830, 326860, 437660, 1291097, 2582194, 5164388, 6455485, 12910970, 25821940]

約数ペア:

[(1, 25821940), (2, 12910970), (4, 6455485), (5, 5164388), (10, 2582194), (20, 1291097), (59, 437660), (79, 326860), (118, 218830), (158, 163430), (236, 109415), (277, 93220), (295, 87532), (316, 81715), (395, 65372), (554, 46610), (590, 43766), (790, 32686), (1108, 23305), (1180, 21883), (1385, 18644), (1580, 16343), (2770, 9322), (4661, 5540)]