2023784680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{1907}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 4669410240

約数和(自身を除く): 2645625560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 617, 860, 1234, 1720, 1907, 2468, 3085, 3814, 4936, 6170, 7628, 9535, 12340, 15256, 19070, 24680, 26531, 38140, 53062, 76280, 82001, 106124, 132655, 164002, 212248, 265310, 328004, 410005, 530620, 656008, 820010, 1061240, 1176619, 1640020, 2353238, 3280040, 4706476, 5883095, 9412952, 11766190, 23532380, 47064760, 50594617, 101189234, 202378468, 252973085, 404756936, 505946170, 1011892340, 2023784680]

約数ペア:

[(1, 2023784680), (2, 1011892340), (4, 505946170), (5, 404756936), (8, 252973085), (10, 202378468), (20, 101189234), (40, 50594617), (43, 47064760), (86, 23532380), (172, 11766190), (215, 9412952), (344, 5883095), (430, 4706476), (617, 3280040), (860, 2353238), (1234, 1640020), (1720, 1176619), (1907, 1061240), (2468, 820010), (3085, 656008), (3814, 530620), (4936, 410005), (6170, 328004), (7628, 265310), (9535, 212248), (12340, 164002), (15256, 132655), (19070, 106124), (24680, 82001), (26531, 76280), (38140, 53062)]