2477980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6521}}^1$

素因数の和:6549

約数の個数: 24

約数和(自身を含む): 5478480

約数和(自身を除く): 3000500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6521, 13042, 26084, 32605, 65210, 123899, 130420, 247798, 495596, 619495, 1238990, 2477980]

約数ペア:

[(1, 2477980), (2, 1238990), (4, 619495), (5, 495596), (10, 247798), (19, 130420), (20, 123899), (38, 65210), (76, 32605), (95, 26084), (190, 13042), (380, 6521)]