8821280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4241}}^1$

素因数の和:4269

約数の個数: 48

約数和(自身を含む): 22448664

約数和(自身を除く): 13627384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 4241, 8482, 16964, 21205, 33928, 42410, 55133, 67856, 84820, 110266, 135712, 169640, 220532, 275665, 339280, 441064, 551330, 678560, 882128, 1102660, 1764256, 2205320, 4410640, 8821280]

約数ペア:

[(1, 8821280), (2, 4410640), (4, 2205320), (5, 1764256), (8, 1102660), (10, 882128), (13, 678560), (16, 551330), (20, 441064), (26, 339280), (32, 275665), (40, 220532), (52, 169640), (65, 135712), (80, 110266), (104, 84820), (130, 67856), (160, 55133), (208, 42410), (260, 33928), (416, 21205), (520, 16964), (1040, 8482), (2080, 4241)]