13128320

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 31928040

約数和(自身を除く): 18799720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 281, 292, 320, 365, 562, 584, 640, 730, 1124, 1168, 1405, 1460, 2248, 2336, 2810, 2920, 4496, 4672, 5620, 5840, 8992, 9344, 11240, 11680, 17984, 20513, 22480, 23360, 35968, 41026, 44960, 46720, 82052, 89920, 102565, 164104, 179840, 205130, 328208, 410260, 656416, 820520, 1312832, 1641040, 2625664, 3282080, 6564160, 13128320]

約数ペア:

[(1, 13128320), (2, 6564160), (4, 3282080), (5, 2625664), (8, 1641040), (10, 1312832), (16, 820520), (20, 656416), (32, 410260), (40, 328208), (64, 205130), (73, 179840), (80, 164104), (128, 102565), (146, 89920), (160, 82052), (281, 46720), (292, 44960), (320, 41026), (365, 35968), (562, 23360), (584, 22480), (640, 20513), (730, 17984), (1124, 11680), (1168, 11240), (1405, 9344), (1460, 8992), (2248, 5840), (2336, 5620), (2810, 4672), (2920, 4496)]