19949200

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1012

約数の個数: 60

約数和(自身を含む): 48884148

約数和(自身を除く): 28934948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 941, 1060, 1325, 1882, 2120, 2650, 3764, 4240, 4705, 5300, 7528, 9410, 10600, 15056, 18820, 21200, 23525, 37640, 47050, 49873, 75280, 94100, 99746, 188200, 199492, 249365, 376400, 398984, 498730, 797968, 997460, 1246825, 1994920, 2493650, 3989840, 4987300, 9974600, 19949200]

約数ペア:

[(1, 19949200), (2, 9974600), (4, 4987300), (5, 3989840), (8, 2493650), (10, 1994920), (16, 1246825), (20, 997460), (25, 797968), (40, 498730), (50, 398984), (53, 376400), (80, 249365), (100, 199492), (106, 188200), (200, 99746), (212, 94100), (265, 75280), (400, 49873), (424, 47050), (530, 37640), (848, 23525), (941, 21200), (1060, 18820), (1325, 15056), (1882, 10600), (2120, 9410), (2650, 7528), (3764, 5300), (4240, 4705)]