25635760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10337}}^1$

素因数の和:10381

約数の個数: 40

約数和(自身を含む): 61531776

約数和(自身を除く): 35896016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10337, 20674, 41348, 51685, 82696, 103370, 165392, 206740, 320447, 413480, 640894, 826960, 1281788, 1602235, 2563576, 3204470, 5127152, 6408940, 12817880, 25635760]

約数ペア:

[(1, 25635760), (2, 12817880), (4, 6408940), (5, 5127152), (8, 3204470), (10, 2563576), (16, 1602235), (20, 1281788), (31, 826960), (40, 640894), (62, 413480), (80, 320447), (124, 206740), (155, 165392), (248, 103370), (310, 82696), (496, 51685), (620, 41348), (1240, 20674), (2480, 10337)]