51730520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31543}}^1$

素因数の和:31595

約数の個数: 32

約数和(自身を含む): 119236320

約数和(自身を除く): 67505800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31543, 63086, 126172, 157715, 252344, 315430, 630860, 1261720, 1293263, 2586526, 5173052, 6466315, 10346104, 12932630, 25865260, 51730520]

約数ペア:

[(1, 51730520), (2, 25865260), (4, 12932630), (5, 10346104), (8, 6466315), (10, 5173052), (20, 2586526), (40, 1293263), (41, 1261720), (82, 630860), (164, 315430), (205, 252344), (328, 157715), (410, 126172), (820, 63086), (1640, 31543)]