216731920

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4111}}^1$

素因数の和:4783

約数の個数: 40

約数和(自身を含む): 504789120

約数和(自身を除く): 288057200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 3295, 4111, 5272, 6590, 8222, 10544, 13180, 16444, 20555, 26360, 32888, 41110, 52720, 65776, 82220, 164440, 328880, 2709149, 5418298, 10836596, 13545745, 21673192, 27091490, 43346384, 54182980, 108365960, 216731920]

約数ペア:

[(1, 216731920), (2, 108365960), (4, 54182980), (5, 43346384), (8, 27091490), (10, 21673192), (16, 13545745), (20, 10836596), (40, 5418298), (80, 2709149), (659, 328880), (1318, 164440), (2636, 82220), (3295, 65776), (4111, 52720), (5272, 41110), (6590, 32888), (8222, 26360), (10544, 20555), (13180, 16444)]