50051720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 116443440

約数和(自身を除く): 66391720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 281, 292, 305, 365, 488, 562, 584, 610, 730, 1124, 1220, 1405, 1460, 2248, 2440, 2810, 2920, 4453, 5620, 8906, 11240, 17141, 17812, 20513, 22265, 34282, 35624, 41026, 44530, 68564, 82052, 85705, 89060, 102565, 137128, 164104, 171410, 178120, 205130, 342820, 410260, 685640, 820520, 1251293, 2502586, 5005172, 6256465, 10010344, 12512930, 25025860, 50051720]

約数ペア:

[(1, 50051720), (2, 25025860), (4, 12512930), (5, 10010344), (8, 6256465), (10, 5005172), (20, 2502586), (40, 1251293), (61, 820520), (73, 685640), (122, 410260), (146, 342820), (244, 205130), (281, 178120), (292, 171410), (305, 164104), (365, 137128), (488, 102565), (562, 89060), (584, 85705), (610, 82052), (730, 68564), (1124, 44530), (1220, 41026), (1405, 35624), (1460, 34282), (2248, 22265), (2440, 20513), (2810, 17812), (2920, 17141), (4453, 11240), (5620, 8906)]