5311540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 12418560

約数和(自身を除く): 7107020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 659, 806, 1318, 1612, 2015, 2636, 3295, 4030, 6590, 8060, 8567, 13180, 17134, 20429, 34268, 40858, 42835, 81716, 85670, 102145, 171340, 204290, 265577, 408580, 531154, 1062308, 1327885, 2655770, 5311540]

約数ペア:

[(1, 5311540), (2, 2655770), (4, 1327885), (5, 1062308), (10, 531154), (13, 408580), (20, 265577), (26, 204290), (31, 171340), (52, 102145), (62, 85670), (65, 81716), (124, 42835), (130, 40858), (155, 34268), (260, 20429), (310, 17134), (403, 13180), (620, 8567), (659, 8060), (806, 6590), (1318, 4030), (1612, 3295), (2015, 2636)]