66417520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63863}}^1$

素因数の和:63889

約数の個数: 40

約数和(自身を含む): 166301856

約数和(自身を除く): 99884336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63863, 127726, 255452, 319315, 510904, 638630, 830219, 1021808, 1277260, 1660438, 2554520, 3320876, 4151095, 5109040, 6641752, 8302190, 13283504, 16604380, 33208760, 66417520]

約数ペア:

[(1, 66417520), (2, 33208760), (4, 16604380), (5, 13283504), (8, 8302190), (10, 6641752), (13, 5109040), (16, 4151095), (20, 3320876), (26, 2554520), (40, 1660438), (52, 1277260), (65, 1021808), (80, 830219), (104, 638630), (130, 510904), (208, 319315), (260, 255452), (520, 127726), (1040, 63863)]