66762020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{557}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 151584048

約数和(自身を除く): 84822028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 461, 557, 922, 1114, 1844, 2228, 2305, 2785, 4610, 5570, 5993, 7241, 9220, 11140, 11986, 14482, 23972, 28964, 29965, 36205, 59930, 72410, 119860, 144820, 256777, 513554, 1027108, 1283885, 2567770, 3338101, 5135540, 6676202, 13352404, 16690505, 33381010, 66762020]

約数ペア:

[(1, 66762020), (2, 33381010), (4, 16690505), (5, 13352404), (10, 6676202), (13, 5135540), (20, 3338101), (26, 2567770), (52, 1283885), (65, 1027108), (130, 513554), (260, 256777), (461, 144820), (557, 119860), (922, 72410), (1114, 59930), (1844, 36205), (2228, 29965), (2305, 28964), (2785, 23972), (4610, 14482), (5570, 11986), (5993, 11140), (7241, 9220)]