4908640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2789}}^1$

素因数の和:2815

約数の個数: 48

約数和(自身を含む): 12655440

約数和(自身を除く): 7746800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 2789, 5578, 11156, 13945, 22312, 27890, 30679, 44624, 55780, 61358, 89248, 111560, 122716, 153395, 223120, 245432, 306790, 446240, 490864, 613580, 981728, 1227160, 2454320, 4908640]

約数ペア:

[(1, 4908640), (2, 2454320), (4, 1227160), (5, 981728), (8, 613580), (10, 490864), (11, 446240), (16, 306790), (20, 245432), (22, 223120), (32, 153395), (40, 122716), (44, 111560), (55, 89248), (80, 61358), (88, 55780), (110, 44624), (160, 30679), (176, 27890), (220, 22312), (352, 13945), (440, 11156), (880, 5578), (1760, 2789)]