89976980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 194322240

約数和(自身を除く): 104345260

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 670, 809, 830, 1340, 1618, 1660, 3236, 4045, 5561, 8090, 11122, 16180, 22244, 27805, 54203, 55610, 67147, 108406, 111220, 134294, 216812, 268588, 271015, 335735, 542030, 671470, 1084060, 1342940, 4498849, 8997698, 17995396, 22494245, 44988490, 89976980]

約数ペア:

[(1, 89976980), (2, 44988490), (4, 22494245), (5, 17995396), (10, 8997698), (20, 4498849), (67, 1342940), (83, 1084060), (134, 671470), (166, 542030), (268, 335735), (332, 271015), (335, 268588), (415, 216812), (670, 134294), (809, 111220), (830, 108406), (1340, 67147), (1618, 55610), (1660, 54203), (3236, 27805), (4045, 22244), (5561, 16180), (8090, 11122)]