28408000

素因数分解:

$2^6\times 5^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 112

約数和(自身を含む): 72749664

約数和(自身を除く): 44341664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 67, 80, 100, 106, 125, 134, 160, 200, 212, 250, 265, 268, 320, 335, 400, 424, 500, 530, 536, 670, 800, 848, 1000, 1060, 1072, 1325, 1340, 1600, 1675, 1696, 2000, 2120, 2144, 2650, 2680, 3350, 3392, 3551, 4000, 4240, 4288, 5300, 5360, 6625, 6700, 7102, 8000, 8375, 8480, 10600, 10720, 13250, 13400, 14204, 16750, 16960, 17755, 21200, 21440, 26500, 26800, 28408, 33500, 35510, 42400, 53000, 53600, 56816, 67000, 71020, 84800, 88775, 106000, 107200, 113632, 134000, 142040, 177550, 212000, 227264, 268000, 284080, 355100, 424000, 443875, 536000, 568160, 710200, 887750, 1136320, 1420400, 1775500, 2840800, 3551000, 5681600, 7102000, 14204000, 28408000]

約数ペア:

[(1, 28408000), (2, 14204000), (4, 7102000), (5, 5681600), (8, 3551000), (10, 2840800), (16, 1775500), (20, 1420400), (25, 1136320), (32, 887750), (40, 710200), (50, 568160), (53, 536000), (64, 443875), (67, 424000), (80, 355100), (100, 284080), (106, 268000), (125, 227264), (134, 212000), (160, 177550), (200, 142040), (212, 134000), (250, 113632), (265, 107200), (268, 106000), (320, 88775), (335, 84800), (400, 71020), (424, 67000), (500, 56816), (530, 53600), (536, 53000), (670, 42400), (800, 35510), (848, 33500), (1000, 28408), (1060, 26800), (1072, 26500), (1325, 21440), (1340, 21200), (1600, 17755), (1675, 16960), (1696, 16750), (2000, 14204), (2120, 13400), (2144, 13250), (2650, 10720), (2680, 10600), (3350, 8480), (3392, 8375), (3551, 8000), (4000, 7102), (4240, 6700), (4288, 6625), (5300, 5360)]