839102920

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{67021}}^1$

素因数の和:67345

約数の個数: 32

約数和(自身を含む): 1894041720

約数和(自身を除く): 1054938800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 67021, 134042, 268084, 335105, 536168, 670210, 1340420, 2680840, 20977573, 41955146, 83910292, 104887865, 167820584, 209775730, 419551460, 839102920]

約数ペア:

[(1, 839102920), (2, 419551460), (4, 209775730), (5, 167820584), (8, 104887865), (10, 83910292), (20, 41955146), (40, 20977573), (313, 2680840), (626, 1340420), (1252, 670210), (1565, 536168), (2504, 335105), (3130, 268084), (6260, 134042), (12520, 67021)]