2820800

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 84

約数和(自身を含む): 7275576

約数和(自身を除く): 4454776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 43, 50, 64, 80, 82, 86, 100, 160, 164, 172, 200, 205, 215, 320, 328, 344, 400, 410, 430, 656, 688, 800, 820, 860, 1025, 1075, 1312, 1376, 1600, 1640, 1720, 1763, 2050, 2150, 2624, 2752, 3280, 3440, 3526, 4100, 4300, 6560, 6880, 7052, 8200, 8600, 8815, 13120, 13760, 14104, 16400, 17200, 17630, 28208, 32800, 34400, 35260, 44075, 56416, 65600, 68800, 70520, 88150, 112832, 141040, 176300, 282080, 352600, 564160, 705200, 1410400, 2820800]

約数ペア:

[(1, 2820800), (2, 1410400), (4, 705200), (5, 564160), (8, 352600), (10, 282080), (16, 176300), (20, 141040), (25, 112832), (32, 88150), (40, 70520), (41, 68800), (43, 65600), (50, 56416), (64, 44075), (80, 35260), (82, 34400), (86, 32800), (100, 28208), (160, 17630), (164, 17200), (172, 16400), (200, 14104), (205, 13760), (215, 13120), (320, 8815), (328, 8600), (344, 8200), (400, 7052), (410, 6880), (430, 6560), (656, 4300), (688, 4100), (800, 3526), (820, 3440), (860, 3280), (1025, 2752), (1075, 2624), (1312, 2150), (1376, 2050), (1600, 1763), (1640, 1720)]