79377920

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 192831408

約数和(自身を除く): 113453488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 307, 320, 404, 505, 512, 614, 640, 808, 1010, 1228, 1280, 1535, 1616, 2020, 2456, 2560, 3070, 3232, 4040, 4912, 6140, 6464, 8080, 9824, 12280, 12928, 16160, 19648, 24560, 25856, 31007, 32320, 39296, 49120, 51712, 62014, 64640, 78592, 98240, 124028, 129280, 155035, 157184, 196480, 248056, 258560, 310070, 392960, 496112, 620140, 785920, 992224, 1240280, 1984448, 2480560, 3968896, 4961120, 7937792, 9922240, 15875584, 19844480, 39688960, 79377920]

約数ペア:

[(1, 79377920), (2, 39688960), (4, 19844480), (5, 15875584), (8, 9922240), (10, 7937792), (16, 4961120), (20, 3968896), (32, 2480560), (40, 1984448), (64, 1240280), (80, 992224), (101, 785920), (128, 620140), (160, 496112), (202, 392960), (256, 310070), (307, 258560), (320, 248056), (404, 196480), (505, 157184), (512, 155035), (614, 129280), (640, 124028), (808, 98240), (1010, 78592), (1228, 64640), (1280, 62014), (1535, 51712), (1616, 49120), (2020, 39296), (2456, 32320), (2560, 31007), (3070, 25856), (3232, 24560), (4040, 19648), (4912, 16160), (6140, 12928), (6464, 12280), (8080, 9824)]