521252020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{10273}}^1$

素因数の和:10384

約数の個数: 48

約数和(自身を含む): 1139181120

約数和(自身を除く): 617929100

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 2537, 5074, 10148, 10273, 12685, 20546, 25370, 41092, 50740, 51365, 102730, 205460, 441739, 606107, 883478, 1212214, 1766956, 2208695, 2424428, 3030535, 4417390, 6061070, 8834780, 12122140, 26062601, 52125202, 104250404, 130313005, 260626010, 521252020]

約数ペア:

[(1, 521252020), (2, 260626010), (4, 130313005), (5, 104250404), (10, 52125202), (20, 26062601), (43, 12122140), (59, 8834780), (86, 6061070), (118, 4417390), (172, 3030535), (215, 2424428), (236, 2208695), (295, 1766956), (430, 1212214), (590, 883478), (860, 606107), (1180, 441739), (2537, 205460), (5074, 102730), (10148, 51365), (10273, 50740), (12685, 41092), (20546, 25370)]