25796030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 53319168

約数和(自身を除く): 27523138

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 173, 185, 310, 346, 370, 403, 481, 806, 865, 962, 1147, 1730, 2015, 2249, 2294, 2405, 4030, 4498, 4810, 5363, 5735, 6401, 10726, 11245, 11470, 12802, 14911, 22490, 26815, 29822, 32005, 53630, 64010, 69719, 74555, 83213, 139438, 149110, 166426, 198431, 348595, 396862, 416065, 697190, 832130, 992155, 1984310, 2579603, 5159206, 12898015, 25796030]

約数ペア:

[(1, 25796030), (2, 12898015), (5, 5159206), (10, 2579603), (13, 1984310), (26, 992155), (31, 832130), (37, 697190), (62, 416065), (65, 396862), (74, 348595), (130, 198431), (155, 166426), (173, 149110), (185, 139438), (310, 83213), (346, 74555), (370, 69719), (403, 64010), (481, 53630), (806, 32005), (865, 29822), (962, 26815), (1147, 22490), (1730, 14911), (2015, 12802), (2249, 11470), (2294, 11245), (2405, 10726), (4030, 6401), (4498, 5735), (4810, 5363)]