55251920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22279}}^1$

素因数の和:22323

約数の個数: 40

約数和(自身を含む): 132610560

約数和(自身を除く): 77358640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 22279, 44558, 89116, 111395, 178232, 222790, 356464, 445580, 690649, 891160, 1381298, 1782320, 2762596, 3453245, 5525192, 6906490, 11050384, 13812980, 27625960, 55251920]

約数ペア:

[(1, 55251920), (2, 27625960), (4, 13812980), (5, 11050384), (8, 6906490), (10, 5525192), (16, 3453245), (20, 2762596), (31, 1782320), (40, 1381298), (62, 891160), (80, 690649), (124, 445580), (155, 356464), (248, 222790), (310, 178232), (496, 111395), (620, 89116), (1240, 44558), (2480, 22279)]