16881040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19183}}^1$

素因数の和:19207

約数の個数: 40

約数和(自身を含む): 42818688

約数和(自身を除く): 25937648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 19183, 38366, 76732, 95915, 153464, 191830, 211013, 306928, 383660, 422026, 767320, 844052, 1055065, 1534640, 1688104, 2110130, 3376208, 4220260, 8440520, 16881040]

約数ペア:

[(1, 16881040), (2, 8440520), (4, 4220260), (5, 3376208), (8, 2110130), (10, 1688104), (11, 1534640), (16, 1055065), (20, 844052), (22, 767320), (40, 422026), (44, 383660), (55, 306928), (80, 211013), (88, 191830), (110, 153464), (176, 95915), (220, 76732), (440, 38366), (880, 19183)]