28426720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1532

約数の個数: 96

約数和(自身を含む): 81321408

約数和(自身を除く): 52894688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1493, 1904, 2380, 2720, 2986, 3808, 4760, 5972, 7465, 9520, 10451, 11944, 14930, 19040, 20902, 23888, 25381, 29860, 41804, 47776, 50762, 52255, 59720, 83608, 101524, 104510, 119440, 126905, 167216, 177667, 203048, 209020, 238880, 253810, 334432, 355334, 406096, 418040, 507620, 710668, 812192, 836080, 888335, 1015240, 1421336, 1672160, 1776670, 2030480, 2842672, 3553340, 4060960, 5685344, 7106680, 14213360, 28426720]

約数ペア:

[(1, 28426720), (2, 14213360), (4, 7106680), (5, 5685344), (7, 4060960), (8, 3553340), (10, 2842672), (14, 2030480), (16, 1776670), (17, 1672160), (20, 1421336), (28, 1015240), (32, 888335), (34, 836080), (35, 812192), (40, 710668), (56, 507620), (68, 418040), (70, 406096), (80, 355334), (85, 334432), (112, 253810), (119, 238880), (136, 209020), (140, 203048), (160, 177667), (170, 167216), (224, 126905), (238, 119440), (272, 104510), (280, 101524), (340, 83608), (476, 59720), (544, 52255), (560, 50762), (595, 47776), (680, 41804), (952, 29860), (1120, 25381), (1190, 23888), (1360, 20902), (1493, 19040), (1904, 14930), (2380, 11944), (2720, 10451), (2986, 9520), (3808, 7465), (4760, 5972)]