66445700

素因数分解:

$2^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1657}}^1$

素因数の和:2072

約数の個数: 36

約数和(自身を含む): 144633972

約数和(自身を除く): 78188272

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 802, 1604, 1657, 2005, 3314, 4010, 6628, 8020, 8285, 10025, 16570, 20050, 33140, 40100, 41425, 82850, 165700, 664457, 1328914, 2657828, 3322285, 6644570, 13289140, 16611425, 33222850, 66445700]

約数ペア:

[(1, 66445700), (2, 33222850), (4, 16611425), (5, 13289140), (10, 6644570), (20, 3322285), (25, 2657828), (50, 1328914), (100, 664457), (401, 165700), (802, 82850), (1604, 41425), (1657, 40100), (2005, 33140), (3314, 20050), (4010, 16570), (6628, 10025), (8020, 8285)]