49456880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 128456064

約数和(自身を除く): 78999184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1307, 1720, 1892, 2365, 2614, 3440, 3784, 4730, 5228, 6535, 7568, 9460, 10456, 13070, 14377, 18920, 20912, 26140, 28754, 37840, 52280, 56201, 57508, 71885, 104560, 112402, 115016, 143770, 224804, 230032, 281005, 287540, 449608, 562010, 575080, 618211, 899216, 1124020, 1150160, 1236422, 2248040, 2472844, 3091055, 4496080, 4945688, 6182110, 9891376, 12364220, 24728440, 49456880]

約数ペア:

[(1, 49456880), (2, 24728440), (4, 12364220), (5, 9891376), (8, 6182110), (10, 4945688), (11, 4496080), (16, 3091055), (20, 2472844), (22, 2248040), (40, 1236422), (43, 1150160), (44, 1124020), (55, 899216), (80, 618211), (86, 575080), (88, 562010), (110, 449608), (172, 287540), (176, 281005), (215, 230032), (220, 224804), (344, 143770), (430, 115016), (440, 112402), (473, 104560), (688, 71885), (860, 57508), (880, 56201), (946, 52280), (1307, 37840), (1720, 28754), (1892, 26140), (2365, 20912), (2614, 18920), (3440, 14377), (3784, 13070), (4730, 10456), (5228, 9460), (6535, 7568)]