64367225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 91660800

約数和(自身を除く): 27293575

約数列:

[1, 5, 13, 23, 25, 65, 79, 109, 115, 299, 325, 395, 545, 575, 1027, 1417, 1495, 1817, 1975, 2507, 2725, 5135, 7085, 7475, 8611, 9085, 12535, 23621, 25675, 32591, 35425, 43055, 45425, 62675, 111943, 118105, 162955, 198053, 215275, 559715, 590525, 814775, 990265, 2574689, 2798575, 4951325, 12873445, 64367225]

約数ペア:

[(1, 64367225), (5, 12873445), (13, 4951325), (23, 2798575), (25, 2574689), (65, 990265), (79, 814775), (109, 590525), (115, 559715), (299, 215275), (325, 198053), (395, 162955), (545, 118105), (575, 111943), (1027, 62675), (1417, 45425), (1495, 43055), (1817, 35425), (1975, 32591), (2507, 25675), (2725, 23621), (5135, 12535), (7085, 9085), (7475, 8611)]