22132780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 47980800

約数和(自身を除く): 25848020

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 199, 268, 332, 335, 398, 415, 670, 796, 830, 995, 1340, 1660, 1990, 3980, 5561, 11122, 13333, 16517, 22244, 26666, 27805, 33034, 53332, 55610, 66068, 66665, 82585, 111220, 133330, 165170, 266660, 330340, 1106639, 2213278, 4426556, 5533195, 11066390, 22132780]

約数ペア:

[(1, 22132780), (2, 11066390), (4, 5533195), (5, 4426556), (10, 2213278), (20, 1106639), (67, 330340), (83, 266660), (134, 165170), (166, 133330), (199, 111220), (268, 82585), (332, 66665), (335, 66068), (398, 55610), (415, 53332), (670, 33034), (796, 27805), (830, 26666), (995, 22244), (1340, 16517), (1660, 13333), (1990, 11122), (3980, 5561)]