42585640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 98703360

約数和(自身を除く): 56117720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 101, 127, 166, 202, 254, 332, 404, 415, 505, 508, 635, 664, 808, 830, 1010, 1016, 1270, 1660, 2020, 2540, 3320, 4040, 5080, 8383, 10541, 12827, 16766, 21082, 25654, 33532, 41915, 42164, 51308, 52705, 64135, 67064, 83830, 84328, 102616, 105410, 128270, 167660, 210820, 256540, 335320, 421640, 513080, 1064641, 2129282, 4258564, 5323205, 8517128, 10646410, 21292820, 42585640]

約数ペア:

[(1, 42585640), (2, 21292820), (4, 10646410), (5, 8517128), (8, 5323205), (10, 4258564), (20, 2129282), (40, 1064641), (83, 513080), (101, 421640), (127, 335320), (166, 256540), (202, 210820), (254, 167660), (332, 128270), (404, 105410), (415, 102616), (505, 84328), (508, 83830), (635, 67064), (664, 64135), (808, 52705), (830, 51308), (1010, 42164), (1016, 41915), (1270, 33532), (1660, 25654), (2020, 21082), (2540, 16766), (3320, 12827), (4040, 10541), (5080, 8383)]