86913680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155203}}^1$

素因数の和:155223

約数の個数: 40

約数和(自身を含む): 230943552

約数和(自身を除く): 144029872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155203, 310406, 620812, 776015, 1086421, 1241624, 1552030, 2172842, 2483248, 3104060, 4345684, 5432105, 6208120, 8691368, 10864210, 12416240, 17382736, 21728420, 43456840, 86913680]

約数ペア:

[(1, 86913680), (2, 43456840), (4, 21728420), (5, 17382736), (7, 12416240), (8, 10864210), (10, 8691368), (14, 6208120), (16, 5432105), (20, 4345684), (28, 3104060), (35, 2483248), (40, 2172842), (56, 1552030), (70, 1241624), (80, 1086421), (112, 776015), (140, 620812), (280, 310406), (560, 155203)]