66847720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13159}}^1$

素因数の和:13297

約数の個数: 32

約数和(自身を含む): 151603200

約数和(自身を除く): 84755480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 13159, 26318, 52636, 65795, 105272, 131590, 263180, 526360, 1671193, 3342386, 6684772, 8355965, 13369544, 16711930, 33423860, 66847720]

約数ペア:

[(1, 66847720), (2, 33423860), (4, 16711930), (5, 13369544), (8, 8355965), (10, 6684772), (20, 3342386), (40, 1671193), (127, 526360), (254, 263180), (508, 131590), (635, 105272), (1016, 65795), (1270, 52636), (2540, 26318), (5080, 13159)]