203044480

素因数分解:

$2^7\times 5^1\times {\mathrm{317257}}^1$

素因数の和:317276

約数の個数: 32

約数和(自身を含む): 485404740

約数和(自身を除く): 282360260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 317257, 634514, 1269028, 1586285, 2538056, 3172570, 5076112, 6345140, 10152224, 12690280, 20304448, 25380560, 40608896, 50761120, 101522240, 203044480]

約数ペア:

[(1, 203044480), (2, 101522240), (4, 50761120), (5, 40608896), (8, 25380560), (10, 20304448), (16, 12690280), (20, 10152224), (32, 6345140), (40, 5076112), (64, 3172570), (80, 2538056), (128, 1586285), (160, 1269028), (320, 634514), (640, 317257)]