25498120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20563}}^1$

素因数の和:20605

約数の個数: 32

約数和(自身を含む): 59224320

約数和(自身を除く): 33726200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20563, 41126, 82252, 102815, 164504, 205630, 411260, 637453, 822520, 1274906, 2549812, 3187265, 5099624, 6374530, 12749060, 25498120]

約数ペア:

[(1, 25498120), (2, 12749060), (4, 6374530), (5, 5099624), (8, 3187265), (10, 2549812), (20, 1274906), (31, 822520), (40, 637453), (62, 411260), (124, 205630), (155, 164504), (248, 102815), (310, 82252), (620, 41126), (1240, 20563)]