126730880

素因数分解:

$2^7\times 5^1\times {\mathrm{198017}}^1$

素因数の和:198036

約数の個数: 32

約数和(自身を含む): 302967540

約数和(自身を除く): 176236660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 198017, 396034, 792068, 990085, 1584136, 1980170, 3168272, 3960340, 6336544, 7920680, 12673088, 15841360, 25346176, 31682720, 63365440, 126730880]

約数ペア:

[(1, 126730880), (2, 63365440), (4, 31682720), (5, 25346176), (8, 15841360), (10, 12673088), (16, 7920680), (20, 6336544), (32, 3960340), (40, 3168272), (64, 1980170), (80, 1584136), (128, 990085), (160, 792068), (320, 396034), (640, 198017)]