2229880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 5073840

約数和(自身を除く): 2843960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 521, 535, 856, 1042, 1070, 2084, 2140, 2605, 4168, 4280, 5210, 10420, 20840, 55747, 111494, 222988, 278735, 445976, 557470, 1114940, 2229880]

約数ペア:

[(1, 2229880), (2, 1114940), (4, 557470), (5, 445976), (8, 278735), (10, 222988), (20, 111494), (40, 55747), (107, 20840), (214, 10420), (428, 5210), (521, 4280), (535, 4168), (856, 2605), (1042, 2140), (1070, 2084)]