40805633680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72867203}}^1$

素因数の和:72867223

約数の個数: 40

約数和(自身を含む): 108426399552

約数和(自身を除く): 67620765872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72867203, 145734406, 291468812, 364336015, 510070421, 582937624, 728672030, 1020140842, 1165875248, 1457344060, 2040281684, 2550352105, 2914688120, 4080563368, 5100704210, 5829376240, 8161126736, 10201408420, 20402816840, 40805633680]

約数ペア:

[(1, 40805633680), (2, 20402816840), (4, 10201408420), (5, 8161126736), (7, 5829376240), (8, 5100704210), (10, 4080563368), (14, 2914688120), (16, 2550352105), (20, 2040281684), (28, 1457344060), (35, 1165875248), (40, 1020140842), (56, 728672030), (70, 582937624), (80, 510070421), (112, 364336015), (140, 291468812), (280, 145734406), (560, 72867203)]