11807800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 28112040

約数和(自身を除く): 16304240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1373, 1720, 2150, 2746, 4300, 5492, 6865, 8600, 10984, 13730, 27460, 34325, 54920, 59039, 68650, 118078, 137300, 236156, 274600, 295195, 472312, 590390, 1180780, 1475975, 2361560, 2951950, 5903900, 11807800]

約数ペア:

[(1, 11807800), (2, 5903900), (4, 2951950), (5, 2361560), (8, 1475975), (10, 1180780), (20, 590390), (25, 472312), (40, 295195), (43, 274600), (50, 236156), (86, 137300), (100, 118078), (172, 68650), (200, 59039), (215, 54920), (344, 34325), (430, 27460), (860, 13730), (1075, 10984), (1373, 8600), (1720, 6865), (2150, 5492), (2746, 4300)]