20172654560

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{38287}}^1$

素因数の和:38428

約数の個数: 96

約数和(自身を含む): 49497194880

約数和(自身を除く): 29324540320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 89, 148, 160, 178, 185, 296, 356, 370, 445, 592, 712, 740, 890, 1184, 1424, 1480, 1780, 2848, 2960, 3293, 3560, 5920, 6586, 7120, 13172, 14240, 16465, 26344, 32930, 38287, 52688, 65860, 76574, 105376, 131720, 153148, 191435, 263440, 306296, 382870, 526880, 612592, 765740, 1225184, 1416619, 1531480, 2833238, 3062960, 3407543, 5666476, 6125920, 6815086, 7083095, 11332952, 13630172, 14166190, 17037715, 22665904, 27260344, 28332380, 34075430, 45331808, 54520688, 56664760, 68150860, 109041376, 113329520, 126079091, 136301720, 226659040, 252158182, 272603440, 504316364, 545206880, 630395455, 1008632728, 1260790910, 2017265456, 2521581820, 4034530912, 5043163640, 10086327280, 20172654560]

約数ペア:

[(1, 20172654560), (2, 10086327280), (4, 5043163640), (5, 4034530912), (8, 2521581820), (10, 2017265456), (16, 1260790910), (20, 1008632728), (32, 630395455), (37, 545206880), (40, 504316364), (74, 272603440), (80, 252158182), (89, 226659040), (148, 136301720), (160, 126079091), (178, 113329520), (185, 109041376), (296, 68150860), (356, 56664760), (370, 54520688), (445, 45331808), (592, 34075430), (712, 28332380), (740, 27260344), (890, 22665904), (1184, 17037715), (1424, 14166190), (1480, 13630172), (1780, 11332952), (2848, 7083095), (2960, 6815086), (3293, 6125920), (3560, 5666476), (5920, 3407543), (6586, 3062960), (7120, 2833238), (13172, 1531480), (14240, 1416619), (16465, 1225184), (26344, 765740), (32930, 612592), (38287, 526880), (52688, 382870), (65860, 306296), (76574, 263440), (105376, 191435), (131720, 153148)]