66888040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20147}}^1$

素因数の和:20241

約数の個数: 32

約数和(自身を含む): 152318880

約数和(自身を除く): 85430840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 20147, 40294, 80588, 100735, 161176, 201470, 402940, 805880, 1672201, 3344402, 6688804, 8361005, 13377608, 16722010, 33444020, 66888040]

約数ペア:

[(1, 66888040), (2, 33444020), (4, 16722010), (5, 13377608), (8, 8361005), (10, 6688804), (20, 3344402), (40, 1672201), (83, 805880), (166, 402940), (332, 201470), (415, 161176), (664, 100735), (830, 80588), (1660, 40294), (3320, 20147)]