7889960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15173}}^1$

素因数の和:15197

約数の個数: 32

約数和(自身を含む): 19119240

約数和(自身を除く): 11229280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15173, 30346, 60692, 75865, 121384, 151730, 197249, 303460, 394498, 606920, 788996, 986245, 1577992, 1972490, 3944980, 7889960]

約数ペア:

[(1, 7889960), (2, 3944980), (4, 1972490), (5, 1577992), (8, 986245), (10, 788996), (13, 606920), (20, 394498), (26, 303460), (40, 197249), (52, 151730), (65, 121384), (104, 75865), (130, 60692), (260, 30346), (520, 15173)]