1330786780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{646013}}^1$

素因数の和:646125

約数の個数: 24

約数和(自身を含む): 2821789152

約数和(自身を除く): 1491002372

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 646013, 1292026, 2584052, 3230065, 6460130, 12920260, 66539339, 133078678, 266157356, 332696695, 665393390, 1330786780]

約数ペア:

[(1, 1330786780), (2, 665393390), (4, 332696695), (5, 266157356), (10, 133078678), (20, 66539339), (103, 12920260), (206, 6460130), (412, 3230065), (515, 2584052), (1030, 1292026), (2060, 646013)]