65844920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 152755200

約数和(自身を除く): 86910280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 311, 316, 335, 395, 536, 622, 632, 670, 790, 1244, 1340, 1555, 1580, 2488, 2680, 3110, 3160, 5293, 6220, 10586, 12440, 20837, 21172, 24569, 26465, 41674, 42344, 49138, 52930, 83348, 98276, 104185, 105860, 122845, 166696, 196552, 208370, 211720, 245690, 416740, 491380, 833480, 982760, 1646123, 3292246, 6584492, 8230615, 13168984, 16461230, 32922460, 65844920]

約数ペア:

[(1, 65844920), (2, 32922460), (4, 16461230), (5, 13168984), (8, 8230615), (10, 6584492), (20, 3292246), (40, 1646123), (67, 982760), (79, 833480), (134, 491380), (158, 416740), (268, 245690), (311, 211720), (316, 208370), (335, 196552), (395, 166696), (536, 122845), (622, 105860), (632, 104185), (670, 98276), (790, 83348), (1244, 52930), (1340, 49138), (1555, 42344), (1580, 41674), (2488, 26465), (2680, 24569), (3110, 21172), (3160, 20837), (5293, 12440), (6220, 10586)]