15691099420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{18451}}^1$

素因数の和:18982

約数の個数: 48

約数和(自身を含む): 33358411296

約数和(自身を除く): 17667311876

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 421, 505, 842, 1010, 1684, 2020, 2105, 4210, 8420, 18451, 36902, 42521, 73804, 85042, 92255, 170084, 184510, 212605, 369020, 425210, 850420, 1863551, 3727102, 7454204, 7767871, 9317755, 15535742, 18635510, 31071484, 37271020, 38839355, 77678710, 155357420, 784554971, 1569109942, 3138219884, 3922774855, 7845549710, 15691099420]

約数ペア:

[(1, 15691099420), (2, 7845549710), (4, 3922774855), (5, 3138219884), (10, 1569109942), (20, 784554971), (101, 155357420), (202, 77678710), (404, 38839355), (421, 37271020), (505, 31071484), (842, 18635510), (1010, 15535742), (1684, 9317755), (2020, 7767871), (2105, 7454204), (4210, 3727102), (8420, 1863551), (18451, 850420), (36902, 425210), (42521, 369020), (73804, 212605), (85042, 184510), (92255, 170084)]