39803721890

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6209629}}^1$

素因数の和:6210277

約数の個数: 16

約数和(自身を含む): 71758484280

約数和(自身を除く): 31954762390

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 6209629, 12419258, 31048145, 62096290, 3980372189, 7960744378, 19901860945, 39803721890]

約数ペア:

[(1, 39803721890), (2, 19901860945), (5, 7960744378), (10, 3980372189), (641, 62096290), (1282, 31048145), (3205, 12419258), (6410, 6209629)]