55019560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22549}}^1$

素因数の和:22621

約数の個数: 32

約数和(自身を含む): 125829000

約数和(自身を除く): 70809440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22549, 45098, 90196, 112745, 180392, 225490, 450980, 901960, 1375489, 2750978, 5501956, 6877445, 11003912, 13754890, 27509780, 55019560]

約数ペア:

[(1, 55019560), (2, 27509780), (4, 13754890), (5, 11003912), (8, 6877445), (10, 5501956), (20, 2750978), (40, 1375489), (61, 901960), (122, 450980), (244, 225490), (305, 180392), (488, 112745), (610, 90196), (1220, 45098), (2440, 22549)]