66888100

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{2137}}^1$

素因数の和:2464

約数の個数: 36

約数和(自身を含む): 145679044

約数和(自身を除く): 78790944

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 626, 1252, 1565, 2137, 3130, 4274, 6260, 7825, 8548, 10685, 15650, 21370, 31300, 42740, 53425, 106850, 213700, 668881, 1337762, 2675524, 3344405, 6688810, 13377620, 16722025, 33444050, 66888100]

約数ペア:

[(1, 66888100), (2, 33444050), (4, 16722025), (5, 13377620), (10, 6688810), (20, 3344405), (25, 2675524), (50, 1337762), (100, 668881), (313, 213700), (626, 106850), (1252, 53425), (1565, 42740), (2137, 31300), (3130, 21370), (4274, 15650), (6260, 10685), (7825, 8548)]