51919780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12460

約数の個数: 48

約数和(自身を含む): 125213760

約数和(自身を除く): 73293980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 12421, 24842, 49684, 62105, 124210, 136631, 235999, 248420, 273262, 471998, 546524, 683155, 943996, 1179995, 1366310, 2359990, 2595989, 2732620, 4719980, 5191978, 10383956, 12979945, 25959890, 51919780]

約数ペア:

[(1, 51919780), (2, 25959890), (4, 12979945), (5, 10383956), (10, 5191978), (11, 4719980), (19, 2732620), (20, 2595989), (22, 2359990), (38, 1366310), (44, 1179995), (55, 943996), (76, 683155), (95, 546524), (110, 471998), (190, 273262), (209, 248420), (220, 235999), (380, 136631), (418, 124210), (836, 62105), (1045, 49684), (2090, 24842), (4180, 12421)]