4455040

素因数分解:

$2^7\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6980

約数の個数: 32

約数和(自身を含む): 10651860

約数和(自身を除く): 6196820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6961, 13922, 27844, 34805, 55688, 69610, 111376, 139220, 222752, 278440, 445504, 556880, 891008, 1113760, 2227520, 4455040]

約数ペア:

[(1, 4455040), (2, 2227520), (4, 1113760), (5, 891008), (8, 556880), (10, 445504), (16, 278440), (20, 222752), (32, 139220), (40, 111376), (64, 69610), (80, 55688), (128, 34805), (160, 27844), (320, 13922), (640, 6961)]