66499040

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5261}}^1$

素因数の和:5355

約数の個数: 48

約数和(自身を含む): 159122880

約数和(自身を除く): 92623840

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, 5261, 6320, 10522, 12640, 21044, 26305, 42088, 52610, 84176, 105220, 168352, 210440, 415619, 420880, 831238, 841760, 1662476, 2078095, 3324952, 4156190, 6649904, 8312380, 13299808, 16624760, 33249520, 66499040]

約数ペア:

[(1, 66499040), (2, 33249520), (4, 16624760), (5, 13299808), (8, 8312380), (10, 6649904), (16, 4156190), (20, 3324952), (32, 2078095), (40, 1662476), (79, 841760), (80, 831238), (158, 420880), (160, 415619), (316, 210440), (395, 168352), (632, 105220), (790, 84176), (1264, 52610), (1580, 42088), (2528, 26305), (3160, 21044), (5261, 12640), (6320, 10522)]