90363520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10861}}^1$

素因数の和:10893

約数の個数: 64

約数和(自身を含む): 232664040

約数和(自身を除く): 142300520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 10861, 21722, 43444, 54305, 86888, 108610, 141193, 173776, 217220, 282386, 347552, 434440, 564772, 695104, 705965, 868880, 1129544, 1390208, 1411930, 1737760, 2259088, 2823860, 3475520, 4518176, 5647720, 6951040, 9036352, 11295440, 18072704, 22590880, 45181760, 90363520]

約数ペア:

[(1, 90363520), (2, 45181760), (4, 22590880), (5, 18072704), (8, 11295440), (10, 9036352), (13, 6951040), (16, 5647720), (20, 4518176), (26, 3475520), (32, 2823860), (40, 2259088), (52, 1737760), (64, 1411930), (65, 1390208), (80, 1129544), (104, 868880), (128, 705965), (130, 695104), (160, 564772), (208, 434440), (260, 347552), (320, 282386), (416, 217220), (520, 173776), (640, 141193), (832, 108610), (1040, 86888), (1664, 54305), (2080, 43444), (4160, 21722), (8320, 10861)]