54576520

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5309}}^1$

素因数の和:5577

約数の個数: 32

約数和(自身を含む): 123298200

約数和(自身を除く): 68721680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 5309, 10280, 10618, 21236, 26545, 42472, 53090, 106180, 212360, 1364413, 2728826, 5457652, 6822065, 10915304, 13644130, 27288260, 54576520]

約数ペア:

[(1, 54576520), (2, 27288260), (4, 13644130), (5, 10915304), (8, 6822065), (10, 5457652), (20, 2728826), (40, 1364413), (257, 212360), (514, 106180), (1028, 53090), (1285, 42472), (2056, 26545), (2570, 21236), (5140, 10618), (5309, 10280)]