802280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 1866240

約数和(自身を除く): 1063960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 647, 1240, 1294, 2588, 3235, 5176, 6470, 12940, 20057, 25880, 40114, 80228, 100285, 160456, 200570, 401140, 802280]

約数ペア:

[(1, 802280), (2, 401140), (4, 200570), (5, 160456), (8, 100285), (10, 80228), (20, 40114), (31, 25880), (40, 20057), (62, 12940), (124, 6470), (155, 5176), (248, 3235), (310, 2588), (620, 1294), (647, 1240)]