898660880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{5113}}^1$

素因数の和:5165

約数の個数: 80

約数和(自身を含む): 2263865520

約数和(自身を除く): 1365204640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2197, 2704, 3380, 4394, 5113, 6760, 8788, 10226, 10985, 13520, 17576, 20452, 21970, 25565, 35152, 40904, 43940, 51130, 66469, 81808, 87880, 102260, 132938, 175760, 204520, 265876, 332345, 409040, 531752, 664690, 864097, 1063504, 1329380, 1728194, 2658760, 3456388, 4320485, 5317520, 6912776, 8640970, 11233261, 13825552, 17281940, 22466522, 34563880, 44933044, 56166305, 69127760, 89866088, 112332610, 179732176, 224665220, 449330440, 898660880]

約数ペア:

[(1, 898660880), (2, 449330440), (4, 224665220), (5, 179732176), (8, 112332610), (10, 89866088), (13, 69127760), (16, 56166305), (20, 44933044), (26, 34563880), (40, 22466522), (52, 17281940), (65, 13825552), (80, 11233261), (104, 8640970), (130, 6912776), (169, 5317520), (208, 4320485), (260, 3456388), (338, 2658760), (520, 1728194), (676, 1329380), (845, 1063504), (1040, 864097), (1352, 664690), (1690, 531752), (2197, 409040), (2704, 332345), (3380, 265876), (4394, 204520), (5113, 175760), (6760, 132938), (8788, 102260), (10226, 87880), (10985, 81808), (13520, 66469), (17576, 51130), (20452, 43940), (21970, 40904), (25565, 35152)]