25132640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 65663136

約数和(自身を除く): 40530496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 281, 344, 416, 430, 520, 559, 562, 688, 860, 1040, 1118, 1124, 1376, 1405, 1720, 2080, 2236, 2248, 2795, 2810, 3440, 3653, 4472, 4496, 5590, 5620, 6880, 7306, 8944, 8992, 11180, 11240, 12083, 14612, 17888, 18265, 22360, 22480, 24166, 29224, 36530, 44720, 44960, 48332, 58448, 60415, 73060, 89440, 96664, 116896, 120830, 146120, 157079, 193328, 241660, 292240, 314158, 386656, 483320, 584480, 628316, 785395, 966640, 1256632, 1570790, 1933280, 2513264, 3141580, 5026528, 6283160, 12566320, 25132640]

約数ペア:

[(1, 25132640), (2, 12566320), (4, 6283160), (5, 5026528), (8, 3141580), (10, 2513264), (13, 1933280), (16, 1570790), (20, 1256632), (26, 966640), (32, 785395), (40, 628316), (43, 584480), (52, 483320), (65, 386656), (80, 314158), (86, 292240), (104, 241660), (130, 193328), (160, 157079), (172, 146120), (208, 120830), (215, 116896), (260, 96664), (281, 89440), (344, 73060), (416, 60415), (430, 58448), (520, 48332), (559, 44960), (562, 44720), (688, 36530), (860, 29224), (1040, 24166), (1118, 22480), (1124, 22360), (1376, 18265), (1405, 17888), (1720, 14612), (2080, 12083), (2236, 11240), (2248, 11180), (2795, 8992), (2810, 8944), (3440, 7306), (3653, 6880), (4472, 5620), (4496, 5590)]