21816839600

素因数分解:

$2^4\times 5^2\times {\mathrm{9341}}^1\times {\mathrm{5839}}^1$

素因数の和:15198

約数の個数: 60

約数和(自身を含む): 52429546080

約数和(自身を除く): 30612706480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5839, 9341, 11678, 18682, 23356, 29195, 37364, 46705, 46712, 58390, 74728, 93410, 93424, 116780, 145975, 149456, 186820, 233525, 233560, 291950, 373640, 467050, 467120, 583900, 747280, 934100, 1167800, 1868200, 2335600, 3736400, 54542099, 109084198, 218168396, 272710495, 436336792, 545420990, 872673584, 1090841980, 1363552475, 2181683960, 2727104950, 4363367920, 5454209900, 10908419800, 21816839600]

約数ペア:

[(1, 21816839600), (2, 10908419800), (4, 5454209900), (5, 4363367920), (8, 2727104950), (10, 2181683960), (16, 1363552475), (20, 1090841980), (25, 872673584), (40, 545420990), (50, 436336792), (80, 272710495), (100, 218168396), (200, 109084198), (400, 54542099), (5839, 3736400), (9341, 2335600), (11678, 1868200), (18682, 1167800), (23356, 934100), (29195, 747280), (37364, 583900), (46705, 467120), (46712, 467050), (58390, 373640), (74728, 291950), (93410, 233560), (93424, 233525), (116780, 186820), (145975, 149456)]