8023540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 19418112

約数和(自身を除く): 11394572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 257, 446, 514, 892, 1028, 1115, 1285, 1561, 1799, 2230, 2570, 3122, 3598, 4460, 5140, 6244, 7196, 7805, 8995, 15610, 17990, 31220, 35980, 57311, 114622, 229244, 286555, 401177, 573110, 802354, 1146220, 1604708, 2005885, 4011770, 8023540]

約数ペア:

[(1, 8023540), (2, 4011770), (4, 2005885), (5, 1604708), (7, 1146220), (10, 802354), (14, 573110), (20, 401177), (28, 286555), (35, 229244), (70, 114622), (140, 57311), (223, 35980), (257, 31220), (446, 17990), (514, 15610), (892, 8995), (1028, 7805), (1115, 7196), (1285, 6244), (1561, 5140), (1799, 4460), (2230, 3598), (2570, 3122)]