19724900

素因数分解:

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

素因数の和:15200

約数の個数: 36

約数和(自身を含む): 46098612

約数和(自身を除く): 26373712

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15173, 30346, 60692, 75865, 151730, 197249, 303460, 379325, 394498, 758650, 788996, 986245, 1517300, 1972490, 3944980, 4931225, 9862450, 19724900]

約数ペア:

[(1, 19724900), (2, 9862450), (4, 4931225), (5, 3944980), (10, 1972490), (13, 1517300), (20, 986245), (25, 788996), (26, 758650), (50, 394498), (52, 379325), (65, 303460), (100, 197249), (130, 151730), (260, 75865), (325, 60692), (650, 30346), (1300, 15173)]