2620243390

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{208121}}^1$

素因数の和:209387

約数の個数: 16

約数和(自身を含む): 4720206960

約数和(自身を除く): 2099963570

約数列:

[1, 2, 5, 10, 1259, 2518, 6295, 12590, 208121, 416242, 1040605, 2081210, 262024339, 524048678, 1310121695, 2620243390]

約数ペア:

[(1, 2620243390), (2, 1310121695), (5, 524048678), (10, 262024339), (1259, 2081210), (2518, 1040605), (6295, 416242), (12590, 208121)]