66770960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20357}}^1$

素因数の和:20411

約数の個数: 40

約数和(自身を含む): 159036696

約数和(自身を除く): 92265736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20357, 40714, 81428, 101785, 162856, 203570, 325712, 407140, 814280, 834637, 1628560, 1669274, 3338548, 4173185, 6677096, 8346370, 13354192, 16692740, 33385480, 66770960]

約数ペア:

[(1, 66770960), (2, 33385480), (4, 16692740), (5, 13354192), (8, 8346370), (10, 6677096), (16, 4173185), (20, 3338548), (40, 1669274), (41, 1628560), (80, 834637), (82, 814280), (164, 407140), (205, 325712), (328, 203570), (410, 162856), (656, 101785), (820, 81428), (1640, 40714), (3280, 20357)]