87453440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4057

約数の個数: 72

約数和(自身を含む): 221855760

約数和(自身を除く): 134402320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4019, 4352, 5440, 8038, 10880, 16076, 20095, 21760, 32152, 40190, 64304, 68323, 80380, 128608, 136646, 160760, 257216, 273292, 321520, 341615, 514432, 546584, 643040, 683230, 1028864, 1093168, 1286080, 1366460, 2186336, 2572160, 2732920, 4372672, 5144320, 5465840, 8745344, 10931680, 17490688, 21863360, 43726720, 87453440]

約数ペア:

[(1, 87453440), (2, 43726720), (4, 21863360), (5, 17490688), (8, 10931680), (10, 8745344), (16, 5465840), (17, 5144320), (20, 4372672), (32, 2732920), (34, 2572160), (40, 2186336), (64, 1366460), (68, 1286080), (80, 1093168), (85, 1028864), (128, 683230), (136, 643040), (160, 546584), (170, 514432), (256, 341615), (272, 321520), (320, 273292), (340, 257216), (544, 160760), (640, 136646), (680, 128608), (1088, 80380), (1280, 68323), (1360, 64304), (2176, 40190), (2720, 32152), (4019, 21760), (4352, 20095), (5440, 16076), (8038, 10880)]