25813760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 73387776

約数和(自身を除く): 47574016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 67, 70, 80, 86, 112, 128, 134, 140, 160, 172, 215, 224, 256, 268, 280, 301, 320, 335, 344, 430, 448, 469, 536, 560, 602, 640, 670, 688, 860, 896, 938, 1072, 1120, 1204, 1280, 1340, 1376, 1505, 1720, 1792, 1876, 2144, 2240, 2345, 2408, 2680, 2752, 2881, 3010, 3440, 3752, 4288, 4480, 4690, 4816, 5360, 5504, 5762, 6020, 6880, 7504, 8576, 8960, 9380, 9632, 10720, 11008, 11524, 12040, 13760, 14405, 15008, 17152, 18760, 19264, 20167, 21440, 23048, 24080, 27520, 28810, 30016, 37520, 38528, 40334, 42880, 46096, 48160, 55040, 57620, 60032, 75040, 77056, 80668, 85760, 92192, 96320, 100835, 115240, 120064, 150080, 161336, 184384, 192640, 201670, 230480, 300160, 322672, 368768, 385280, 403340, 460960, 600320, 645344, 737536, 806680, 921920, 1290688, 1613360, 1843840, 2581376, 3226720, 3687680, 5162752, 6453440, 12906880, 25813760]

約数ペア:

[(1, 25813760), (2, 12906880), (4, 6453440), (5, 5162752), (7, 3687680), (8, 3226720), (10, 2581376), (14, 1843840), (16, 1613360), (20, 1290688), (28, 921920), (32, 806680), (35, 737536), (40, 645344), (43, 600320), (56, 460960), (64, 403340), (67, 385280), (70, 368768), (80, 322672), (86, 300160), (112, 230480), (128, 201670), (134, 192640), (140, 184384), (160, 161336), (172, 150080), (215, 120064), (224, 115240), (256, 100835), (268, 96320), (280, 92192), (301, 85760), (320, 80668), (335, 77056), (344, 75040), (430, 60032), (448, 57620), (469, 55040), (536, 48160), (560, 46096), (602, 42880), (640, 40334), (670, 38528), (688, 37520), (860, 30016), (896, 28810), (938, 27520), (1072, 24080), (1120, 23048), (1204, 21440), (1280, 20167), (1340, 19264), (1376, 18760), (1505, 17152), (1720, 15008), (1792, 14405), (1876, 13760), (2144, 12040), (2240, 11524), (2345, 11008), (2408, 10720), (2680, 9632), (2752, 9380), (2881, 8960), (3010, 8576), (3440, 7504), (3752, 6880), (4288, 6020), (4480, 5762), (4690, 5504), (4816, 5360)]