38939968340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21395587}}^1$

素因数の和:21395616

約数の個数: 48

約数和(自身を含む): 100644845952

約数和(自身を除く): 61704877612

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, 21395587, 42791174, 85582348, 106977935, 149769109, 213955870, 278142631, 299538218, 427911740, 556285262, 599076436, 748845545, 1112570524, 1390713155, 1497691090, 1946998417, 2781426310, 2995382180, 3893996834, 5562852620, 7787993668, 9734992085, 19469984170, 38939968340]

約数ペア:

[(1, 38939968340), (2, 19469984170), (4, 9734992085), (5, 7787993668), (7, 5562852620), (10, 3893996834), (13, 2995382180), (14, 2781426310), (20, 1946998417), (26, 1497691090), (28, 1390713155), (35, 1112570524), (52, 748845545), (65, 599076436), (70, 556285262), (91, 427911740), (130, 299538218), (140, 278142631), (182, 213955870), (260, 149769109), (364, 106977935), (455, 85582348), (910, 42791174), (1820, 21395587)]