25807360

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{593}}^1$

素因数の和:633

約数の個数: 80

約数和(自身を含む): 65627496

約数和(自身を除く): 39820136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 593, 640, 680, 1088, 1186, 1280, 1360, 2176, 2372, 2560, 2720, 2965, 4352, 4744, 5440, 5930, 8704, 9488, 10081, 10880, 11860, 18976, 20162, 21760, 23720, 37952, 40324, 43520, 47440, 50405, 75904, 80648, 94880, 100810, 151808, 161296, 189760, 201620, 303616, 322592, 379520, 403240, 645184, 759040, 806480, 1290368, 1518080, 1612960, 2580736, 3225920, 5161472, 6451840, 12903680, 25807360]

約数ペア:

[(1, 25807360), (2, 12903680), (4, 6451840), (5, 5161472), (8, 3225920), (10, 2580736), (16, 1612960), (17, 1518080), (20, 1290368), (32, 806480), (34, 759040), (40, 645184), (64, 403240), (68, 379520), (80, 322592), (85, 303616), (128, 201620), (136, 189760), (160, 161296), (170, 151808), (256, 100810), (272, 94880), (320, 80648), (340, 75904), (512, 50405), (544, 47440), (593, 43520), (640, 40324), (680, 37952), (1088, 23720), (1186, 21760), (1280, 20162), (1360, 18976), (2176, 11860), (2372, 10880), (2560, 10081), (2720, 9488), (2965, 8704), (4352, 5930), (4744, 5440)]