8648420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 20865600

約数和(自身を除く): 12217180

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, 2069, 2090, 4138, 4180, 8276, 10345, 20690, 22759, 39311, 41380, 45518, 78622, 91036, 113795, 157244, 196555, 227590, 393110, 432421, 455180, 786220, 864842, 1729684, 2162105, 4324210, 8648420]

約数ペア:

[(1, 8648420), (2, 4324210), (4, 2162105), (5, 1729684), (10, 864842), (11, 786220), (19, 455180), (20, 432421), (22, 393110), (38, 227590), (44, 196555), (55, 157244), (76, 113795), (95, 91036), (110, 78622), (190, 45518), (209, 41380), (220, 39311), (380, 22759), (418, 20690), (836, 10345), (1045, 8276), (2069, 4180), (2090, 4138)]