22770280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43789}}^1$

素因数の和:43813

約数の個数: 32

約数和(自身を含む): 55175400

約数和(自身を除く): 32405120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 43789, 87578, 175156, 218945, 350312, 437890, 569257, 875780, 1138514, 1751560, 2277028, 2846285, 4554056, 5692570, 11385140, 22770280]

約数ペア:

[(1, 22770280), (2, 11385140), (4, 5692570), (5, 4554056), (8, 2846285), (10, 2277028), (13, 1751560), (20, 1138514), (26, 875780), (40, 569257), (52, 437890), (65, 350312), (104, 218945), (130, 175156), (260, 87578), (520, 43789)]