42878120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17573}}^1$

素因数の和:17645

約数の個数: 32

約数和(自身を含む): 98062920

約数和(自身を除く): 55184800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 17573, 35146, 70292, 87865, 140584, 175730, 351460, 702920, 1071953, 2143906, 4287812, 5359765, 8575624, 10719530, 21439060, 42878120]

約数ペア:

[(1, 42878120), (2, 21439060), (4, 10719530), (5, 8575624), (8, 5359765), (10, 4287812), (20, 2143906), (40, 1071953), (61, 702920), (122, 351460), (244, 175730), (305, 140584), (488, 87865), (610, 70292), (1220, 35146), (2440, 17573)]