2262440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 5136480

約数和(自身を除く): 2874040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 347, 652, 694, 815, 1304, 1388, 1630, 1735, 2776, 3260, 3470, 6520, 6940, 13880, 56561, 113122, 226244, 282805, 452488, 565610, 1131220, 2262440]

約数ペア:

[(1, 2262440), (2, 1131220), (4, 565610), (5, 452488), (8, 282805), (10, 226244), (20, 113122), (40, 56561), (163, 13880), (326, 6940), (347, 6520), (652, 3470), (694, 3260), (815, 2776), (1304, 1735), (1388, 1630)]