207655760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199669}}^1$

素因数の和:199695

約数の個数: 40

約数和(自身を含む): 519940680

約数和(自身を除く): 312284920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 199669, 399338, 798676, 998345, 1597352, 1996690, 2595697, 3194704, 3993380, 5191394, 7986760, 10382788, 12978485, 15973520, 20765576, 25956970, 41531152, 51913940, 103827880, 207655760]

約数ペア:

[(1, 207655760), (2, 103827880), (4, 51913940), (5, 41531152), (8, 25956970), (10, 20765576), (13, 15973520), (16, 12978485), (20, 10382788), (26, 7986760), (40, 5191394), (52, 3993380), (65, 3194704), (80, 2595697), (104, 1996690), (130, 1597352), (208, 998345), (260, 798676), (520, 399338), (1040, 199669)]