2454320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2789}}^1$

素因数の和:2813

約数の個数: 40

約数和(自身を含む): 6227280

約数和(自身を除く): 3772960

約数列:

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

約数ペア:

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