55281280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5081}}^1$

素因数の和:5117

約数の個数: 64

約数和(自身を含む): 139958280

約数和(自身を除く): 84677000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5081, 5440, 10162, 10880, 20324, 25405, 40648, 50810, 81296, 86377, 101620, 162592, 172754, 203240, 325184, 345508, 406480, 431885, 650368, 691016, 812960, 863770, 1382032, 1625920, 1727540, 2764064, 3251840, 3455080, 5528128, 6910160, 11056256, 13820320, 27640640, 55281280]

約数ペア:

[(1, 55281280), (2, 27640640), (4, 13820320), (5, 11056256), (8, 6910160), (10, 5528128), (16, 3455080), (17, 3251840), (20, 2764064), (32, 1727540), (34, 1625920), (40, 1382032), (64, 863770), (68, 812960), (80, 691016), (85, 650368), (128, 431885), (136, 406480), (160, 345508), (170, 325184), (272, 203240), (320, 172754), (340, 162592), (544, 101620), (640, 86377), (680, 81296), (1088, 50810), (1360, 40648), (2176, 25405), (2720, 20324), (5081, 10880), (5440, 10162)]