149045320

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5813}}^1$

素因数の和:6465

約数の個数: 32

約数和(自身を含む): 335932920

約数和(自身を除く): 186887600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 5813, 6410, 11626, 12820, 23252, 25640, 29065, 46504, 58130, 116260, 232520, 3726133, 7452266, 14904532, 18630665, 29809064, 37261330, 74522660, 149045320]

約数ペア:

[(1, 149045320), (2, 74522660), (4, 37261330), (5, 29809064), (8, 18630665), (10, 14904532), (20, 7452266), (40, 3726133), (641, 232520), (1282, 116260), (2564, 58130), (3205, 46504), (5128, 29065), (5813, 25640), (6410, 23252), (11626, 12820)]