87616880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84247}}^1$

素因数の和:84273

約数の個数: 40

約数和(自身を含む): 219381792

約数和(自身を除く): 131764912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 84247, 168494, 336988, 421235, 673976, 842470, 1095211, 1347952, 1684940, 2190422, 3369880, 4380844, 5476055, 6739760, 8761688, 10952110, 17523376, 21904220, 43808440, 87616880]

約数ペア:

[(1, 87616880), (2, 43808440), (4, 21904220), (5, 17523376), (8, 10952110), (10, 8761688), (13, 6739760), (16, 5476055), (20, 4380844), (26, 3369880), (40, 2190422), (52, 1684940), (65, 1347952), (80, 1095211), (104, 842470), (130, 673976), (208, 421235), (260, 336988), (520, 168494), (1040, 84247)]