278327402480

素因数分解:

$2^4\times 5^1\times {\mathrm{3479092531}}^1$

素因数の和:3479092544

約数の個数: 20

約数和(自身を含む): 647111210952

約数和(自身を除く): 368783808472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3479092531, 6958185062, 13916370124, 17395462655, 27832740248, 34790925310, 55665480496, 69581850620, 139163701240, 278327402480]

約数ペア:

[(1, 278327402480), (2, 139163701240), (4, 69581850620), (5, 55665480496), (8, 34790925310), (10, 27832740248), (16, 17395462655), (20, 13916370124), (40, 6958185062), (80, 3479092531)]