15822640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 37185120

約数和(自身を除く): 21362480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2039, 3880, 4078, 7760, 8156, 10195, 16312, 20390, 32624, 40780, 81560, 163120, 197783, 395566, 791132, 988915, 1582264, 1977830, 3164528, 3955660, 7911320, 15822640]

約数ペア:

[(1, 15822640), (2, 7911320), (4, 3955660), (5, 3164528), (8, 1977830), (10, 1582264), (16, 988915), (20, 791132), (40, 395566), (80, 197783), (97, 163120), (194, 81560), (388, 40780), (485, 32624), (776, 20390), (970, 16312), (1552, 10195), (1940, 8156), (2039, 7760), (3880, 4078)]