86991040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15991}}^1$

素因数の和:16025

約数の個数: 56

約数和(自身を含む): 219346272

約数和(自身を除く): 132355232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 15991, 31982, 63964, 79955, 127928, 159910, 255856, 271847, 319820, 511712, 543694, 639640, 1023424, 1087388, 1279280, 1359235, 2174776, 2558560, 2718470, 4349552, 5117120, 5436940, 8699104, 10873880, 17398208, 21747760, 43495520, 86991040]

約数ペア:

[(1, 86991040), (2, 43495520), (4, 21747760), (5, 17398208), (8, 10873880), (10, 8699104), (16, 5436940), (17, 5117120), (20, 4349552), (32, 2718470), (34, 2558560), (40, 2174776), (64, 1359235), (68, 1279280), (80, 1087388), (85, 1023424), (136, 639640), (160, 543694), (170, 511712), (272, 319820), (320, 271847), (340, 255856), (544, 159910), (680, 127928), (1088, 79955), (1360, 63964), (2720, 31982), (5440, 15991)]