19920160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 51840432

約数和(自身を除く): 31920272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 157, 160, 208, 244, 260, 305, 314, 416, 488, 520, 610, 628, 785, 793, 976, 1040, 1220, 1256, 1570, 1586, 1952, 2041, 2080, 2440, 2512, 3140, 3172, 3965, 4082, 4880, 5024, 6280, 6344, 7930, 8164, 9577, 9760, 10205, 12560, 12688, 15860, 16328, 19154, 20410, 25120, 25376, 31720, 32656, 38308, 40820, 47885, 63440, 65312, 76616, 81640, 95770, 124501, 126880, 153232, 163280, 191540, 249002, 306464, 326560, 383080, 498004, 622505, 766160, 996008, 1245010, 1532320, 1992016, 2490020, 3984032, 4980040, 9960080, 19920160]

約数ペア:

[(1, 19920160), (2, 9960080), (4, 4980040), (5, 3984032), (8, 2490020), (10, 1992016), (13, 1532320), (16, 1245010), (20, 996008), (26, 766160), (32, 622505), (40, 498004), (52, 383080), (61, 326560), (65, 306464), (80, 249002), (104, 191540), (122, 163280), (130, 153232), (157, 126880), (160, 124501), (208, 95770), (244, 81640), (260, 76616), (305, 65312), (314, 63440), (416, 47885), (488, 40820), (520, 38308), (610, 32656), (628, 31720), (785, 25376), (793, 25120), (976, 20410), (1040, 19154), (1220, 16328), (1256, 15860), (1570, 12688), (1586, 12560), (1952, 10205), (2041, 9760), (2080, 9577), (2440, 8164), (2512, 7930), (3140, 6344), (3172, 6280), (3965, 5024), (4082, 4880)]