78922280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63647}}^1$

素因数の和:63689

約数の個数: 32

約数和(自身を含む): 183306240

約数和(自身を除く): 104383960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 63647, 127294, 254588, 318235, 509176, 636470, 1272940, 1973057, 2545880, 3946114, 7892228, 9865285, 15784456, 19730570, 39461140, 78922280]

約数ペア:

[(1, 78922280), (2, 39461140), (4, 19730570), (5, 15784456), (8, 9865285), (10, 7892228), (20, 3946114), (31, 2545880), (40, 1973057), (62, 1272940), (124, 636470), (155, 509176), (248, 318235), (310, 254588), (620, 127294), (1240, 63647)]