61547720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118361}}^1$

素因数の和:118385

約数の個数: 32

約数和(自身を含む): 149136120

約数和(自身を除く): 87588400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 118361, 236722, 473444, 591805, 946888, 1183610, 1538693, 2367220, 3077386, 4734440, 6154772, 7693465, 12309544, 15386930, 30773860, 61547720]

約数ペア:

[(1, 61547720), (2, 30773860), (4, 15386930), (5, 12309544), (8, 7693465), (10, 6154772), (13, 4734440), (20, 3077386), (26, 2367220), (40, 1538693), (52, 1183610), (65, 946888), (104, 591805), (130, 473444), (260, 236722), (520, 118361)]