77687840

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7247}}^1$

素因数の和:7329

約数の個数: 48

約数和(自身を含む): 186302592

約数和(自身を除く): 108614752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 7247, 10720, 14494, 28988, 36235, 57976, 72470, 115952, 144940, 231904, 289880, 485549, 579760, 971098, 1159520, 1942196, 2427745, 3884392, 4855490, 7768784, 9710980, 15537568, 19421960, 38843920, 77687840]

約数ペア:

[(1, 77687840), (2, 38843920), (4, 19421960), (5, 15537568), (8, 9710980), (10, 7768784), (16, 4855490), (20, 3884392), (32, 2427745), (40, 1942196), (67, 1159520), (80, 971098), (134, 579760), (160, 485549), (268, 289880), (335, 231904), (536, 144940), (670, 115952), (1072, 72470), (1340, 57976), (2144, 36235), (2680, 28988), (5360, 14494), (7247, 10720)]