20171640040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{683}}^1\times {\mathrm{2609}}^1$

素因数の和:3586

約数の個数: 64

約数和(自身を含む): 45630734400

約数和(自身を除く): 25459094360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 683, 1132, 1366, 1415, 2264, 2609, 2732, 2830, 3415, 5218, 5464, 5660, 6830, 10436, 11320, 13045, 13660, 20872, 26090, 27320, 52180, 104360, 193289, 386578, 738347, 773156, 966445, 1476694, 1546312, 1781947, 1932890, 2953388, 3563894, 3691735, 3865780, 5906776, 7127788, 7383470, 7731560, 8909735, 14255576, 14766940, 17819470, 29533880, 35638940, 71277880, 504291001, 1008582002, 2017164004, 2521455005, 4034328008, 5042910010, 10085820020, 20171640040]

約数ペア:

[(1, 20171640040), (2, 10085820020), (4, 5042910010), (5, 4034328008), (8, 2521455005), (10, 2017164004), (20, 1008582002), (40, 504291001), (283, 71277880), (566, 35638940), (683, 29533880), (1132, 17819470), (1366, 14766940), (1415, 14255576), (2264, 8909735), (2609, 7731560), (2732, 7383470), (2830, 7127788), (3415, 5906776), (5218, 3865780), (5464, 3691735), (5660, 3563894), (6830, 2953388), (10436, 1932890), (11320, 1781947), (13045, 1546312), (13660, 1476694), (20872, 966445), (26090, 773156), (27320, 738347), (52180, 386578), (104360, 193289)]