8004640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1021}}^1$

素因数の和:1050

約数の個数: 72

約数和(自身を含む): 22020012

約数和(自身を除く): 14015372

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1021, 1120, 1568, 1960, 2042, 3920, 4084, 5105, 7147, 7840, 8168, 10210, 14294, 16336, 20420, 28588, 32672, 35735, 40840, 50029, 57176, 71470, 81680, 100058, 114352, 142940, 163360, 200116, 228704, 250145, 285880, 400232, 500290, 571760, 800464, 1000580, 1143520, 1600928, 2001160, 4002320, 8004640]

約数ペア:

[(1, 8004640), (2, 4002320), (4, 2001160), (5, 1600928), (7, 1143520), (8, 1000580), (10, 800464), (14, 571760), (16, 500290), (20, 400232), (28, 285880), (32, 250145), (35, 228704), (40, 200116), (49, 163360), (56, 142940), (70, 114352), (80, 100058), (98, 81680), (112, 71470), (140, 57176), (160, 50029), (196, 40840), (224, 35735), (245, 32672), (280, 28588), (392, 20420), (490, 16336), (560, 14294), (784, 10210), (980, 8168), (1021, 7840), (1120, 7147), (1568, 5105), (1960, 4084), (2042, 3920)]