16855840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6197}}^1$

素因数の和:6229

約数の個数: 48

約数和(自身を含む): 42171192

約数和(自身を除く): 25315352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6197, 12394, 24788, 30985, 49576, 61970, 99152, 105349, 123940, 198304, 210698, 247880, 421396, 495760, 526745, 842792, 991520, 1053490, 1685584, 2106980, 3371168, 4213960, 8427920, 16855840]

約数ペア:

[(1, 16855840), (2, 8427920), (4, 4213960), (5, 3371168), (8, 2106980), (10, 1685584), (16, 1053490), (17, 991520), (20, 842792), (32, 526745), (34, 495760), (40, 421396), (68, 247880), (80, 210698), (85, 198304), (136, 123940), (160, 105349), (170, 99152), (272, 61970), (340, 49576), (544, 30985), (680, 24788), (1360, 12394), (2720, 6197)]