78813880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67943}}^1$

素因数の和:67983

約数の個数: 32

約数和(自身を含む): 183448800

約数和(自身を除く): 104634920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67943, 135886, 271772, 339715, 543544, 679430, 1358860, 1970347, 2717720, 3940694, 7881388, 9851735, 15762776, 19703470, 39406940, 78813880]

約数ペア:

[(1, 78813880), (2, 39406940), (4, 19703470), (5, 15762776), (8, 9851735), (10, 7881388), (20, 3940694), (29, 2717720), (40, 1970347), (58, 1358860), (116, 679430), (145, 543544), (232, 339715), (290, 271772), (580, 135886), (1160, 67943)]