86904320

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 211392720

約数和(自身を除く): 124488400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 409, 415, 512, 640, 664, 818, 830, 1280, 1328, 1636, 1660, 2045, 2560, 2656, 3272, 3320, 4090, 5312, 6544, 6640, 8180, 10624, 13088, 13280, 16360, 21248, 26176, 26560, 32720, 33947, 42496, 52352, 53120, 65440, 67894, 104704, 106240, 130880, 135788, 169735, 209408, 212480, 261760, 271576, 339470, 523520, 543152, 678940, 1047040, 1086304, 1357880, 2172608, 2715760, 4345216, 5431520, 8690432, 10863040, 17380864, 21726080, 43452160, 86904320]

約数ペア:

[(1, 86904320), (2, 43452160), (4, 21726080), (5, 17380864), (8, 10863040), (10, 8690432), (16, 5431520), (20, 4345216), (32, 2715760), (40, 2172608), (64, 1357880), (80, 1086304), (83, 1047040), (128, 678940), (160, 543152), (166, 523520), (256, 339470), (320, 271576), (332, 261760), (409, 212480), (415, 209408), (512, 169735), (640, 135788), (664, 130880), (818, 106240), (830, 104704), (1280, 67894), (1328, 65440), (1636, 53120), (1660, 52352), (2045, 42496), (2560, 33947), (2656, 32720), (3272, 26560), (3320, 26176), (4090, 21248), (5312, 16360), (6544, 13280), (6640, 13088), (8180, 10624)]