54135920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 131991552

約数和(自身を除く): 77855632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 263, 310, 332, 415, 496, 526, 620, 664, 830, 1052, 1240, 1315, 1328, 1660, 2104, 2480, 2573, 2630, 3320, 4208, 5146, 5260, 6640, 8153, 10292, 10520, 12865, 16306, 20584, 21040, 21829, 25730, 32612, 40765, 41168, 43658, 51460, 65224, 81530, 87316, 102920, 109145, 130448, 163060, 174632, 205840, 218290, 326120, 349264, 436580, 652240, 676699, 873160, 1353398, 1746320, 2706796, 3383495, 5413592, 6766990, 10827184, 13533980, 27067960, 54135920]

約数ペア:

[(1, 54135920), (2, 27067960), (4, 13533980), (5, 10827184), (8, 6766990), (10, 5413592), (16, 3383495), (20, 2706796), (31, 1746320), (40, 1353398), (62, 873160), (80, 676699), (83, 652240), (124, 436580), (155, 349264), (166, 326120), (248, 218290), (263, 205840), (310, 174632), (332, 163060), (415, 130448), (496, 109145), (526, 102920), (620, 87316), (664, 81530), (830, 65224), (1052, 51460), (1240, 43658), (1315, 41168), (1328, 40765), (1660, 32612), (2104, 25730), (2480, 21829), (2573, 21040), (2630, 20584), (3320, 16306), (4208, 12865), (5146, 10520), (5260, 10292), (6640, 8153)]