78002080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37501}}^1$

素因数の和:37529

約数の個数: 48

約数和(自身を含む): 198460584

約数和(自身を除く): 120458504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37501, 75002, 150004, 187505, 300008, 375010, 487513, 600016, 750020, 975026, 1200032, 1500040, 1950052, 2437565, 3000080, 3900104, 4875130, 6000160, 7800208, 9750260, 15600416, 19500520, 39001040, 78002080]

約数ペア:

[(1, 78002080), (2, 39001040), (4, 19500520), (5, 15600416), (8, 9750260), (10, 7800208), (13, 6000160), (16, 4875130), (20, 3900104), (26, 3000080), (32, 2437565), (40, 1950052), (52, 1500040), (65, 1200032), (80, 975026), (104, 750020), (130, 600016), (160, 487513), (208, 375010), (260, 300008), (416, 187505), (520, 150004), (1040, 75002), (2080, 37501)]