1330285640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1072811}}^1$

素因数の和:1072853

約数の個数: 32

約数和(自身を含む): 3089698560

約数和(自身を除く): 1759412920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1072811, 2145622, 4291244, 5364055, 8582488, 10728110, 21456220, 33257141, 42912440, 66514282, 133028564, 166285705, 266057128, 332571410, 665142820, 1330285640]

約数ペア:

[(1, 1330285640), (2, 665142820), (4, 332571410), (5, 266057128), (8, 166285705), (10, 133028564), (20, 66514282), (31, 42912440), (40, 33257141), (62, 21456220), (124, 10728110), (155, 8582488), (248, 5364055), (310, 4291244), (620, 2145622), (1240, 1072811)]