25386380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 55417824

約数和(自身を除く): 30031444

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 373, 410, 415, 746, 820, 830, 1492, 1660, 1865, 3403, 3730, 6806, 7460, 13612, 15293, 17015, 30586, 30959, 34030, 61172, 61918, 68060, 76465, 123836, 152930, 154795, 305860, 309590, 619180, 1269319, 2538638, 5077276, 6346595, 12693190, 25386380]

約数ペア:

[(1, 25386380), (2, 12693190), (4, 6346595), (5, 5077276), (10, 2538638), (20, 1269319), (41, 619180), (82, 309590), (83, 305860), (164, 154795), (166, 152930), (205, 123836), (332, 76465), (373, 68060), (410, 61918), (415, 61172), (746, 34030), (820, 30959), (830, 30586), (1492, 17015), (1660, 15293), (1865, 13612), (3403, 7460), (3730, 6806)]