156737320

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6113}}^1$

素因数の和:6765

約数の個数: 32

約数和(自身を含む): 353266920

約数和(自身を除く): 196529600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6113, 6410, 12226, 12820, 24452, 25640, 30565, 48904, 61130, 122260, 244520, 3918433, 7836866, 15673732, 19592165, 31347464, 39184330, 78368660, 156737320]

約数ペア:

[(1, 156737320), (2, 78368660), (4, 39184330), (5, 31347464), (8, 19592165), (10, 15673732), (20, 7836866), (40, 3918433), (641, 244520), (1282, 122260), (2564, 61130), (3205, 48904), (5128, 30565), (6113, 25640), (6410, 24452), (12226, 12820)]