68906480

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1039}}^1$

素因数の和:1881

約数の個数: 40

約数和(自身を含む): 160555200

約数和(自身を除く): 91648720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1039, 1658, 2078, 3316, 4145, 4156, 5195, 6632, 8290, 8312, 10390, 13264, 16580, 16624, 20780, 33160, 41560, 66320, 83120, 861331, 1722662, 3445324, 4306655, 6890648, 8613310, 13781296, 17226620, 34453240, 68906480]

約数ペア:

[(1, 68906480), (2, 34453240), (4, 17226620), (5, 13781296), (8, 8613310), (10, 6890648), (16, 4306655), (20, 3445324), (40, 1722662), (80, 861331), (829, 83120), (1039, 66320), (1658, 41560), (2078, 33160), (3316, 20780), (4145, 16624), (4156, 16580), (5195, 13264), (6632, 10390), (8290, 8312)]