489165440

素因数分解:

$2^7\times 5^1\times {\mathrm{764321}}^1$

素因数の和:764340

約数の個数: 32

約数和(自身を含む): 1169412660

約数和(自身を除く): 680247220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 764321, 1528642, 3057284, 3821605, 6114568, 7643210, 12229136, 15286420, 24458272, 30572840, 48916544, 61145680, 97833088, 122291360, 244582720, 489165440]

約数ペア:

[(1, 489165440), (2, 244582720), (4, 122291360), (5, 97833088), (8, 61145680), (10, 48916544), (16, 30572840), (20, 24458272), (32, 15286420), (40, 12229136), (64, 7643210), (80, 6114568), (128, 3821605), (160, 3057284), (320, 1528642), (640, 764321)]