31669820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17401}}^1$

素因数の和:17430

約数の個数: 48

約数和(自身を含む): 81859008

約数和(自身を除く): 50189188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17401, 34802, 69604, 87005, 121807, 174010, 226213, 243614, 348020, 452426, 487228, 609035, 904852, 1131065, 1218070, 1583491, 2262130, 2436140, 3166982, 4524260, 6333964, 7917455, 15834910, 31669820]

約数ペア:

[(1, 31669820), (2, 15834910), (4, 7917455), (5, 6333964), (7, 4524260), (10, 3166982), (13, 2436140), (14, 2262130), (20, 1583491), (26, 1218070), (28, 1131065), (35, 904852), (52, 609035), (65, 487228), (70, 452426), (91, 348020), (130, 243614), (140, 226213), (182, 174010), (260, 121807), (364, 87005), (455, 69604), (910, 34802), (1820, 17401)]