201422720

素因数分解:

$2^7\times 5^1\times {\mathrm{314723}}^1$

素因数の和:314742

約数の個数: 32

約数和(自身を含む): 481527720

約数和(自身を除く): 280105000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314723, 629446, 1258892, 1573615, 2517784, 3147230, 5035568, 6294460, 10071136, 12588920, 20142272, 25177840, 40284544, 50355680, 100711360, 201422720]

約数ペア:

[(1, 201422720), (2, 100711360), (4, 50355680), (5, 40284544), (8, 25177840), (10, 20142272), (16, 12588920), (20, 10071136), (32, 6294460), (40, 5035568), (64, 3147230), (80, 2517784), (128, 1573615), (160, 1258892), (320, 629446), (640, 314723)]