55335680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2581

約数の個数: 72

約数和(自身を含む): 140398272

約数和(自身を除く): 85062592

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, 2543, 2720, 4352, 5086, 5440, 10172, 10880, 12715, 20344, 21760, 25430, 40688, 43231, 50860, 81376, 86462, 101720, 162752, 172924, 203440, 216155, 325504, 345848, 406880, 432310, 651008, 691696, 813760, 864620, 1383392, 1627520, 1729240, 2766784, 3255040, 3458480, 5533568, 6916960, 11067136, 13833920, 27667840, 55335680]

約数ペア:

[(1, 55335680), (2, 27667840), (4, 13833920), (5, 11067136), (8, 6916960), (10, 5533568), (16, 3458480), (17, 3255040), (20, 2766784), (32, 1729240), (34, 1627520), (40, 1383392), (64, 864620), (68, 813760), (80, 691696), (85, 651008), (128, 432310), (136, 406880), (160, 345848), (170, 325504), (256, 216155), (272, 203440), (320, 172924), (340, 162752), (544, 101720), (640, 86462), (680, 81376), (1088, 50860), (1280, 43231), (1360, 40688), (2176, 25430), (2543, 21760), (2720, 20344), (4352, 12715), (5086, 10880), (5440, 10172)]