16996848920

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{644797}}^1$

素因数の和:645467

約数の個数: 32

約数和(自身を含む): 38301001200

約数和(自身を除く): 21304152280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 26360, 644797, 1289594, 2579188, 3223985, 5158376, 6447970, 12895940, 25791880, 424921223, 849842446, 1699684892, 2124606115, 3399369784, 4249212230, 8498424460, 16996848920]

約数ペア:

[(1, 16996848920), (2, 8498424460), (4, 4249212230), (5, 3399369784), (8, 2124606115), (10, 1699684892), (20, 849842446), (40, 424921223), (659, 25791880), (1318, 12895940), (2636, 6447970), (3295, 5158376), (5272, 3223985), (6590, 2579188), (13180, 1289594), (26360, 644797)]