90521440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13799}}^1$

素因数の和:13855

約数の個数: 48

約数和(自身を含む): 219088800

約数和(自身を除く): 128567360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 13799, 27598, 55196, 68995, 110392, 137990, 220784, 275980, 441568, 551960, 565759, 1103920, 1131518, 2207840, 2263036, 2828795, 4526072, 5657590, 9052144, 11315180, 18104288, 22630360, 45260720, 90521440]

約数ペア:

[(1, 90521440), (2, 45260720), (4, 22630360), (5, 18104288), (8, 11315180), (10, 9052144), (16, 5657590), (20, 4526072), (32, 2828795), (40, 2263036), (41, 2207840), (80, 1131518), (82, 1103920), (160, 565759), (164, 551960), (205, 441568), (328, 275980), (410, 220784), (656, 137990), (820, 110392), (1312, 68995), (1640, 55196), (3280, 27598), (6560, 13799)]