815005360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7759}}^1$

素因数の和:7886

約数の個数: 80

約数和(自身を含む): 2061118080

約数和(自身を除く): 1246112720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2626, 4040, 5252, 6565, 7759, 8080, 10504, 13130, 15518, 21008, 26260, 31036, 38795, 52520, 62072, 77590, 100867, 105040, 124144, 155180, 201734, 310360, 403468, 504335, 620720, 783659, 806936, 1008670, 1567318, 1613872, 2017340, 3134636, 3918295, 4034680, 6269272, 7836590, 8069360, 10187567, 12538544, 15673180, 20375134, 31346360, 40750268, 50937835, 62692720, 81500536, 101875670, 163001072, 203751340, 407502680, 815005360]

約数ペア:

[(1, 815005360), (2, 407502680), (4, 203751340), (5, 163001072), (8, 101875670), (10, 81500536), (13, 62692720), (16, 50937835), (20, 40750268), (26, 31346360), (40, 20375134), (52, 15673180), (65, 12538544), (80, 10187567), (101, 8069360), (104, 7836590), (130, 6269272), (202, 4034680), (208, 3918295), (260, 3134636), (404, 2017340), (505, 1613872), (520, 1567318), (808, 1008670), (1010, 806936), (1040, 783659), (1313, 620720), (1616, 504335), (2020, 403468), (2626, 310360), (4040, 201734), (5252, 155180), (6565, 124144), (7759, 105040), (8080, 100867), (10504, 77590), (13130, 62072), (15518, 52520), (21008, 38795), (26260, 31036)]