4921220

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 10387608

約数和(自身を除く): 5466388

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1021, 1205, 2042, 2410, 4084, 4820, 5105, 10210, 20420, 246061, 492122, 984244, 1230305, 2460610, 4921220]

約数ペア:

[(1, 4921220), (2, 2460610), (4, 1230305), (5, 984244), (10, 492122), (20, 246061), (241, 20420), (482, 10210), (964, 5105), (1021, 4820), (1205, 4084), (2042, 2410)]