66891800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{10789}}^1$

素因数の和:10836

約数の個数: 48

約数和(自身を含む): 160555200

約数和(自身を除く): 93663400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 10789, 21578, 43156, 53945, 86312, 107890, 215780, 269725, 334459, 431560, 539450, 668918, 1078900, 1337836, 1672295, 2157800, 2675672, 3344590, 6689180, 8361475, 13378360, 16722950, 33445900, 66891800]

約数ペア:

[(1, 66891800), (2, 33445900), (4, 16722950), (5, 13378360), (8, 8361475), (10, 6689180), (20, 3344590), (25, 2675672), (31, 2157800), (40, 1672295), (50, 1337836), (62, 1078900), (100, 668918), (124, 539450), (155, 431560), (200, 334459), (248, 269725), (310, 215780), (620, 107890), (775, 86312), (1240, 53945), (1550, 43156), (3100, 21578), (6200, 10789)]