49815680

素因数分解:

$2^7\times 5^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 119945880

約数和(自身を除く): 70130200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 277, 281, 320, 554, 562, 640, 1108, 1124, 1385, 1405, 2216, 2248, 2770, 2810, 4432, 4496, 5540, 5620, 8864, 8992, 11080, 11240, 17728, 17984, 22160, 22480, 35456, 35968, 44320, 44960, 77837, 88640, 89920, 155674, 177280, 179840, 311348, 389185, 622696, 778370, 1245392, 1556740, 2490784, 3113480, 4981568, 6226960, 9963136, 12453920, 24907840, 49815680]

約数ペア:

[(1, 49815680), (2, 24907840), (4, 12453920), (5, 9963136), (8, 6226960), (10, 4981568), (16, 3113480), (20, 2490784), (32, 1556740), (40, 1245392), (64, 778370), (80, 622696), (128, 389185), (160, 311348), (277, 179840), (281, 177280), (320, 155674), (554, 89920), (562, 88640), (640, 77837), (1108, 44960), (1124, 44320), (1385, 35968), (1405, 35456), (2216, 22480), (2248, 22160), (2770, 17984), (2810, 17728), (4432, 11240), (4496, 11080), (5540, 8992), (5620, 8864)]