201742720

素因数分解:

$2^7\times 5^1\times {\mathrm{315223}}^1$

素因数の和:315242

約数の個数: 32

約数和(自身を含む): 482292720

約数和(自身を除く): 280550000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315223, 630446, 1260892, 1576115, 2521784, 3152230, 5043568, 6304460, 10087136, 12608920, 20174272, 25217840, 40348544, 50435680, 100871360, 201742720]

約数ペア:

[(1, 201742720), (2, 100871360), (4, 50435680), (5, 40348544), (8, 25217840), (10, 20174272), (16, 12608920), (20, 10087136), (32, 6304460), (40, 5043568), (64, 3152230), (80, 2521784), (128, 1576115), (160, 1260892), (320, 630446), (640, 315223)]