2005493900

素因数分解:

$2^2\times 5^2\times {\mathrm{1019}}^1\times {\mathrm{19681}}^1$

素因数の和:20714

約数の個数: 36

約数和(自身を含む): 4356413880

約数和(自身を除く): 2350919980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1019, 2038, 4076, 5095, 10190, 19681, 20380, 25475, 39362, 50950, 78724, 98405, 101900, 196810, 393620, 492025, 984050, 1968100, 20054939, 40109878, 80219756, 100274695, 200549390, 401098780, 501373475, 1002746950, 2005493900]

約数ペア:

[(1, 2005493900), (2, 1002746950), (4, 501373475), (5, 401098780), (10, 200549390), (20, 100274695), (25, 80219756), (50, 40109878), (100, 20054939), (1019, 1968100), (2038, 984050), (4076, 492025), (5095, 393620), (10190, 196810), (19681, 101900), (20380, 98405), (25475, 78724), (39362, 50950)]