80238340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44087}}^1$

素因数の和:44116

約数の個数: 48

約数和(自身を含む): 207389952

約数和(自身を除く): 127151612

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, 44087, 88174, 176348, 220435, 308609, 440870, 573131, 617218, 881740, 1146262, 1234436, 1543045, 2292524, 2865655, 3086090, 4011917, 5731310, 6172180, 8023834, 11462620, 16047668, 20059585, 40119170, 80238340]

約数ペア:

[(1, 80238340), (2, 40119170), (4, 20059585), (5, 16047668), (7, 11462620), (10, 8023834), (13, 6172180), (14, 5731310), (20, 4011917), (26, 3086090), (28, 2865655), (35, 2292524), (52, 1543045), (65, 1234436), (70, 1146262), (91, 881740), (130, 617218), (140, 573131), (182, 440870), (260, 308609), (364, 220435), (455, 176348), (910, 88174), (1820, 44087)]