834288520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{4001}}^1$

素因数の和:4426

約数の個数: 64

約数和(自身を含む): 2027093040

約数和(自身を除く): 1192804520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 401, 520, 802, 1604, 2005, 3208, 4001, 4010, 5213, 8002, 8020, 10426, 16004, 16040, 20005, 20852, 26065, 32008, 40010, 41704, 52013, 52130, 80020, 104026, 104260, 160040, 208052, 208520, 260065, 416104, 520130, 1040260, 1604401, 2080520, 3208802, 6417604, 8022005, 12835208, 16044010, 20857213, 32088020, 41714426, 64176040, 83428852, 104286065, 166857704, 208572130, 417144260, 834288520]

約数ペア:

[(1, 834288520), (2, 417144260), (4, 208572130), (5, 166857704), (8, 104286065), (10, 83428852), (13, 64176040), (20, 41714426), (26, 32088020), (40, 20857213), (52, 16044010), (65, 12835208), (104, 8022005), (130, 6417604), (260, 3208802), (401, 2080520), (520, 1604401), (802, 1040260), (1604, 520130), (2005, 416104), (3208, 260065), (4001, 208520), (4010, 208052), (5213, 160040), (8002, 104260), (8020, 104026), (10426, 80020), (16004, 52130), (16040, 52013), (20005, 41704), (20852, 40010), (26065, 32008)]