165697760

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13109}}^1$

素因数の和:13203

約数の個数: 48

約数和(自身を含む): 396446400

約数和(自身を除く): 230748640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 13109, 26218, 52436, 65545, 104872, 131090, 209744, 262180, 419488, 524360, 1035611, 1048720, 2071222, 2097440, 4142444, 5178055, 8284888, 10356110, 16569776, 20712220, 33139552, 41424440, 82848880, 165697760]

約数ペア:

[(1, 165697760), (2, 82848880), (4, 41424440), (5, 33139552), (8, 20712220), (10, 16569776), (16, 10356110), (20, 8284888), (32, 5178055), (40, 4142444), (79, 2097440), (80, 2071222), (158, 1048720), (160, 1035611), (316, 524360), (395, 419488), (632, 262180), (790, 209744), (1264, 131090), (1580, 104872), (2528, 65545), (3160, 52436), (6320, 26218), (12640, 13109)]