65508560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62989}}^1$

素因数の和:63015

約数の個数: 40

約数和(自身を含む): 164025960

約数和(自身を除く): 98517400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62989, 125978, 251956, 314945, 503912, 629890, 818857, 1007824, 1259780, 1637714, 2519560, 3275428, 4094285, 5039120, 6550856, 8188570, 13101712, 16377140, 32754280, 65508560]

約数ペア:

[(1, 65508560), (2, 32754280), (4, 16377140), (5, 13101712), (8, 8188570), (10, 6550856), (13, 5039120), (16, 4094285), (20, 3275428), (26, 2519560), (40, 1637714), (52, 1259780), (65, 1007824), (80, 818857), (104, 629890), (130, 503912), (208, 314945), (260, 251956), (520, 125978), (1040, 62989)]