201930880

素因数分解:

$2^7\times 5^1\times {\mathrm{315517}}^1$

素因数の和:315536

約数の個数: 32

約数和(自身を含む): 482742540

約数和(自身を除く): 280811660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315517, 631034, 1262068, 1577585, 2524136, 3155170, 5048272, 6310340, 10096544, 12620680, 20193088, 25241360, 40386176, 50482720, 100965440, 201930880]

約数ペア:

[(1, 201930880), (2, 100965440), (4, 50482720), (5, 40386176), (8, 25241360), (10, 20193088), (16, 12620680), (20, 10096544), (32, 6310340), (40, 5048272), (64, 3155170), (80, 2524136), (128, 1577585), (160, 1262068), (320, 631034), (640, 315517)]