12566320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 32310432

約数和(自身を除く): 19744112

約数列:

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

約数ペア:

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