899235760

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{23081}}^1$

素因数の和:23581

約数の個数: 40

約数和(自身を含む): 2095106976

約数和(自身を除く): 1195871216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 19480, 23081, 38960, 46162, 92324, 115405, 184648, 230810, 369296, 461620, 923240, 1846480, 11240447, 22480894, 44961788, 56202235, 89923576, 112404470, 179847152, 224808940, 449617880, 899235760]

約数ペア:

[(1, 899235760), (2, 449617880), (4, 224808940), (5, 179847152), (8, 112404470), (10, 89923576), (16, 56202235), (20, 44961788), (40, 22480894), (80, 11240447), (487, 1846480), (974, 923240), (1948, 461620), (2435, 369296), (3896, 230810), (4870, 184648), (7792, 115405), (9740, 92324), (19480, 46162), (23081, 38960)]